SureFlap Microchip Cat Flap for Doors

SKU# 08SF01

  • Highest satisfaction of any microchip cat door
  • Eliminates the need for bulky collar keys using your pet's implanted microchip
  • Easy to program to use right away
  • Increases security with high speed locking mode when your pets enter
  • Excellent 3 year warranty coverage

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Stock No: 08SF01

Availability: In stock

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SureFlap Microchip Cat Flap for Doors
The Cat Flap front door opening as seen from the inside of your home. Dial to adjust timer for added security

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  • Highest satisfaction of any microchip cat door
  • Eliminates the need for bulky collar keys using your pet's implanted microchip
  • Easy to program to use right away
  • Increases security with high speed locking mode when your pets enter
  • Excellent 3 year warranty coverage
Flap SizeFlap DimensionRough Cut OutOutside
Stock No
Cat Flap5 5/8" x 4 3/4"6 3/8"w x 6 3/4"h8 1/4"w x 8 1/4" h08SF01

The SureFlap Cat Door works with all identification microchips supplied by your vet and SureFlap RFID collar tags.

SureFlap Microchip Cat Flap

This was the first electronic cat flap in North America that will sense the microchip that you have had your vet implant in your cat. If you haven’t had your pet microchipped you should get it done. If you cat is ever lost any vet or shelter that he/she is brought to will scan for a microchip. If a microchip with up to date information is found, your cat can be brought home safe and sound. If not.... the odds are very slim. Incidentally, if your cat was chipped some time ago, it may have been a 'free floating' one, in which case, the door may not sense it and you may need to get the cat re-chipped or use the SureFlap RFID collar key.

Features of the SureFlap Cat Door

  • Uses the existing implanted chip  (not included with the door and must be purchased from your vet and implanted at a scheduled office visit) or a collar key to trigger the cat door. Just don't use both chip and collar key together or you'll confuse microchip reader!
  • Keeps out all stranger cats and rodents. Anything can can exit, but only your pet gets in.
  • Can program up to 32 different pets.
  • Self-framing from 0" to 2 3/4" which will accommodate very thin material, like plate glass, to very thick exterior doors.
    • For glass, metal skin doors, security doors, metal garage doors, or UPVC coated metal doors you will need to purchase the mounting adapter to ensure the pet door functions properly. For wall installs you would need the adapter and the wall liners.
  • Door is battery powered (4 AA batteries last about 6 months depending upon usage), so a wall outlet is not required.
    • When the batteries are running low there is an indicator light that flashes every 5 seconds. The door will continue to operate, however you should replace them as soon as possible because one they run out the door will revert to the locked position, stranding any pets outside.
  • Includes a 4-way locking device that will override the electronics when in use.
  • Easy to program and is compatible with the all commonly used microchips in North America, including the 16 digit, 15 digit, 10 digit (except those with codes starting 000..., 010..., or 020…), and 9 digit.
  • Training mode option so you can use the SureFlap as a regular manual cat flap, perfect for training or if your pet is not yet chipped.
  • Special high speed locking setting that can be activated if needed due to other critters following close behind your cat.

Perfect Time for a SureFlap Cat Door

  • If your cat just can’t keep a collar on, you need an electronic option that doesn’t require a key but instead uses an embedded microchip like the SureFlap.
  • If you have a cat where the chip has migrated to far down to trigger the chip reader, there's an extended range option offered in this unit.
  • The perfect low maintenance, dependable electronic cat door.

Customer Reviews

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  • Easier than I expected review by Linda
    5 5 Easier than I expected

    I hesitate to train my cats to the microchip cat flap because I thought it was going to be very complicated. I finally
    sat down with the owners manual, followed directions and soon my cats were recognized by the microchip cat flap. Since we installed the flap we have no more raccoons in the house. Yippee!

    (Posted on 8/25/2018)

  • WJH review by William
    5 5 WJH

    Our second one. Works great. Our cats can come and go. Keeps out the neighborhood riff raff.

    (Posted on 8/2/2018)

  • Works great! review by Janis
    5 5 Works great!

    I use this to separate my cats during meals. One of my cats keeps eating the other's food so I purchased two of these for separate rooms in my house. This allows my fat cat to eat his meal and I can feed my other 2 cats in a different room. I can see the difference in weight already!

    (Posted on 12/8/2017)

  • Excellent product review by paul
    5 5 Excellent product

    Purchased the same cat door eight years ago and installed a second door. Excellent quality, easy to install, keeps the raccoons out and most importantly our cat likes it.

    (Posted on 9/5/2017)

  • Great door, poor instructions and wall liners review by alignator
    5 2 Great door, poor instructions and wall liners

    I bought this door for a wall installation. Anywhere you look on the website it says that no mounting adapter is needed for wall installation. When you open the manual that comes with the door the mounting adapter is the first thing mentioned as needed for wall installation.
    Pretty big discrepancy!
    The mounting adapter is pretty much needed for any type of installation which raises the question why is it not included with the door? Why do I have to pay 30 dollars for 2 circular pieces of plastic?
    Second thing needed is the wall liner that sells for 30 dollars as well, most expensive piece of plastic ever!
    This piece is 2" deep.
    Now most external walls are usually around 5" to 5" 1/2 depending on how thick the drywall and the stucco are.
    The door has about 2" 3/4 of tunnel depth + 2" of the extension which totals slightly less that 5" the wall thickness.
    In this case you need to buy an extra liner and then cut it in half? There is no thinking behind this, no one thought how to make a clean fast installation, the pieces are of measures that don't work well and they are very overpriced. Basically to install a door you need to add 100 dollars in plastic and adapt it...
    I think you need to revise your policy and offer a bundle where you get all you need, with the sizes you need and not overcharge for parts that you need for installation.

    (Posted on 5/8/2017)

  • Works! Be patient! review by Terry
    5 4 Works! Be patient!

    We got this cat door about 4 months ago. It took our cat a while to learn to use it. She just did NOT understand that she had to push on the flap with her head or paw. FINALLY after lots of treats and tilting the door just slightly so she had to push her way through, she understood how to go out, and a couple of weeks later, how to come back in! (Coming in is harder since she has to go through the tunnel.) So if your cat doesn't get it at first, just be patient. It's worth it. It does a great job of keeping our other 2 cats in.

    (Posted on 4/10/2017)

  • Great review by zummy
    5 5 Great

    Took a few days to get comfortable with pushing in from outside. This is the answer to a huge problem for us. We can leave now and know that he has the freedom of the world and the security of his home just like when we are home. No strangers getting to his food.

    I had to get creative mounting. The design is for a door and not for a wall, especially one that is 5 inches. The design could be better for this but not hard to get around. Works great now.

    He doesn't come in the big door anymore and I am glad to avoid the tripping hazard.

    (Posted on 5/5/2015)

  • Keeps the strays out, thank you!! review by AJ
    5 5 Keeps the strays out, thank you!!

    We have a very persistant stray cat in our neighborhood that would help himself into our house through the traditional pet door we installed in the wall. He is a sprayer, so naturally our three cats responded in like. Not a good situation if you are olefactory gifted (or cursed). We had an experienced builder install the Sure Flap microchip pet door since removal of the old door and installation of the Sure Flap required some drywall to make up for the space around it. We used two tunnel extenders as well. I was able to "release" the latch with a little WD40; it was not releasing high enough to stop the flap. Only thing is I wish I knew about the larger version...our biggest cat is not able to fit in the door. But that's my bad, not Sure Flap! Training the two that fit was fairly easy, although they pretty much figured it out on thier own after awhile ;) I love this door!! It has made our lovebugs and us very happy.

    (Posted on 3/9/2015)

  • Just what the cats ordered! review by ken608
    5 5 Just what the cats ordered!

    I have wondered for years why someone has not come up with a pet door like this before. It is the perfect answer. We have five cats, two pesky neighborhood cats that tended to spray everywhere, several raccoons and even a skunk who once used our pet door regularly. The raccoons would learn as kits, then teach their own kits to come in and enjoy a free meal while they were still small enough to make it through the door. This door solved all that.

    Installation was no more difficult than any other door and the instructions were very clear. Stuffing the cats through one-by-one during the 'learning' mode was a bit tricky but once they tried it all was good. After a week or two we put it in the learning mode and just removed the batteries. Our cats can go through at a dead run but everybody else stays out!

    Well worth the money!

    (Posted on 1/19/2015)

  • Solved the raccoon and neighbor's cat problem review by HappyPie
    5 4 Solved the raccoon and neighbor's cat problem

    Would rate 5 stars if the opening on the cat door was slightly larger. Wish I would have bought one size up as the smallest one requires my 10lb cats to squeeze through. Definite toy recommend using without the batteries until your cat gets used to the flap as the noise startled both my cats, I taped the door open for 2 weeks and then they figured it out. Delighted because my neighbors cats are denied access as are the raccoons and for that, I am very happy!

    (Posted on 11/16/2014)

  • Great product review by CoSpgs
    5 5 Great product

    We have had the door for about 2 months and it has been working well. It was easy to program/install and the cats have used it without any problems (they were already accustomed to using cat doors). The door works more smoothly than our prior magnetic door--my cats sometimes had difficulty getting the magnet to trigger. Also, our neighborhood feral cat that adopted us was able to force the magnetic door open and get inside. Not good, since he sprays to mark everywhere he goes!! He has NOT been able to force open this microchip door thus far, for which we are very thankful :) Overall very happy with this product.

    (Posted on 11/9/2014)

  • Not worth the costs review by Betsy
    5 2 Not worth the costs

    After purchasing the flap and chipping two cats at $55/each, one cat has yet to figure out how to use it and the wildlife has figured out how to tap on the door with one paw and slip it's other paw underneath the flap to pull it up. Yes, that is Rocky the Raccoon who, we feel, would have made a great engineer. So, after ca. $280.00, we are no better off than we were to start.

    (Posted on 7/29/2014)

  • Not Good review by Mike
    5 1 Not Good

    After about six months the door stopped retracting the latch. This meant my pet could leave but could not return for food and water or safety..

    ed note - Pls contact the manufacturer or our customer service for a warranty claim.

    (Posted on 7/2/2014)

  • Didn't work for my cats review by tzeppy
    5 2 Didn't work for my cats

    I have two cats, one large (14lb) male, and a small female (9lb).

    The female one uses it consistently, and it works well for her most of the time.

    But its too small for our male cat; he just does not feel comfortable squeezing through.

    Also, periodically the batteries seem to get dislodged, and the door doesn't work anymore until I reset it. Then its hell to re-train the cats to try to use it, since typically they've banged their head against a locked door for a day or two.

    (Posted on 6/9/2014)

  • keep 'em out review by moonstone
    5 5 keep 'em out

    great cat door. our neighbor liked the idea of a magnetic cat door. super. now their cat could enter our house.

    not with this door. our cat's microchip lets her in. she doesn't even need a collar.

    the door flap is far more sturdy than the previous magnetic door product we had.

    this is a great product.

    (Posted on 3/12/2014)

  • Works perfectly! review by Ellie
    5 5 Works perfectly!

    I think this is the coolest thing ever! Keeps out the other neighborhood cats and works great for letting our cat come and go as he wishes. Space age cat door!

    (Posted on 2/4/2014)

  • Bus SureFlap over Cat Mate Elite review by
    5 5 Bus SureFlap over Cat Mate Elite

    I bought a cat flap which had microchip control of the access of the cat. It never worked except to let the cat out. I then bought the SureFlap door which has a smaller opening but I have had one of these I used with great success when I was living in the U.K.

    Unfortunately when I looked up cat flaps the first time, I did not find SureFlap which I would have bought. As I wasted over $100. for the cat flap which did not work and had to pay for the changes made to the house, it was a rather expensive exercise to get the good one.

    (Posted on 1/21/2014)

  • Disapointment review by Cullen
    5 4 Disapointment

    After installing our brown cat door, and the batteries dying every few days, it took us a couple of weeks to discover that the mylar reflective strip needed replacing. SureFlap sent out the replacements within another couple of weeks, and it works well.

    Unfortunately, by the time the SureFlap was working properly, one of our cats spent too many nights locked out-- he gave up and left home and never returned.

    Apparently, this is only an issue on the 'brown' cat door only.

    (Posted on 1/18/2014)

  • The Door is excellente! review by Kakiko
    5 4 The Door is excellente!

    I set this flap in the garage window. Fits ok. I did my best.
    I had to do a tower for the cat to climb.
    Works perfect with the internal chip of my cat, and he is the only one able to come to the house.

    Just 1 thing. The battery lasted 2 months not 6 as indicated, BUT, well temperatures were really cold November and December here in Alaska. ;)

    (Posted on 1/2/2014)

  • Door works as advertized. review by gary r.
    5 5 Door works as advertized.

    The cat door works just as advertized. It was well worth the money. We have a metal door, so I had to cut out a larger hole. That done, we had very little trouble getting the cat to use the door, and our cat is very skittish.

    (Posted on 12/22/2013)

  • Awesome! review by DeeDee
    5 5 Awesome!

    I'm allergic to cat's but my young son bought a rescued kitty from our local pet store. He promised to keep it in him room, period. (he has a door to the outside), but I still went into full blown asthma. This pet door saved me and his kitty! My son is 13 and he installed it into our side door of our detached garage. Now, Comet, can come & go as she pleases and we just turn the little arrow inside to lock the door at night so she doesn't get eaten by racoons ect. as we live in the mts. Also no other animals can enter the garage during the day to eat her food. Several of our friends and neighbors have asked us how to get one of these awesome doors. I highly recommend it!

    (Posted on 11/6/2013)

  • Wonderful review by Ayla
    5 5 Wonderful

    I have used one of these flaps with great success. I need another for a different residence.
    I bought a Cat Mate Elite as I could not find the Sure Flap and I have been very unhappy with it.
    The manual control for the various entries on the Sure Flap is

    (Posted on 10/3/2013)

  • Perfect for Kat review by TMac
    5 5 Perfect for Kat

    We live in the country and wanted a way for the cat to get into the garage for protection from the weather and other animals. After reading the reviews I purchased the Cat Flap and could not happier. The cat comes and goes as she wants and no other animals can get in to her food and water. It took about an hour to install and a couple days for her to adjust to it, but now when we are away she has the freedom to roam and can come in to eat and rest when she wants. This is just what we needed and works perfect. I highly recommend this.

    (Posted on 8/14/2013)

  • Solved old problem, but created a new problem. review by Scott
    5 4 Solved old problem, but created a new problem.

    I had two stray cats coming in the house. Now that I have the Sureflap Microchip Cat Flap, the problem is solved. But I do have a new problem. The company made the flap extremely small. My cat has problems getting in and out. When the company makes a version of this project with a much larger flap, I will most certainly purchase it. According to the website, they were supposed to come out with the product a while ago; but I'm still waiting.

    ed. note - The Large Sureflap is available with an approximate 7" x 7" flap.

    (Posted on 8/12/2013)

  • Definitely the best cat door out there review by Julie
    5 5 Definitely the best cat door out there

    I've tried for years to solve the problem of other cats and raccoons getting into my house. On a few occasions, I forgot to close the pantry door and woke up to find food dumped and packages ripped open. I tried numerous pet doors. The magnetic ones scared my cat because the pendant was heavy, banged on everything, and she hated the sound the latch on the door made as she dragged it across. The RFID pendants were better, but they were about the size of a poker chip and my cat did not like wearing them. She frequently came home with a missing pendant which cost about $25 to replace. When I read about Sureflap, it was too good to be true. The door recognized her microchip immediately and was simple to program. I only have one cat, but it does let any cat go outside. I have heard that selective doors may be in the works, and also doors with improved raccoon protection for animals that are extra persistent and clever. When I took my cat to the vet, I was told by the staff that all of them use Sureflap doors. I recommend them highly.

    (Posted on 7/29/2013)

  • Cat Freedom review by sophie
    5 5 Cat Freedom

    My cat and I are both thrilled with this door. I don't have to leave my front door open anymore and she's more relaxed knowing she can come in and out when she wants. It was easier for her to learn to go out than back in, but I still had to train her. She wouldn't push with her head so I showed her how to push with her paw, which she still prefers. I propped the door slightly open so she could easily get back in the first couple of days. Both the click and need to stick her head in the tunnel worried her at first. Then we tried with it shut, her on the outside and me inside waving a snack. A few times of that and she could go both directions by herself. It arrived on her birthday and was what she wanted most in the whole world, her own door to go OUTSIDE! It was easy to program, took about a minute. Best to just wave the unit over the cat prior to installation rather than force their heads into the tunnel. It also installs easily once you have a hole. Mine is in a plexiglass window pane with the adaptor and works great. Don't know yet how it will be once the weather turns cold, but so far we both love it and the neighbor's cat just peers through the flap. :)

    (Posted on 7/17/2013)

  • Great product, wish it was bigger review by Meli
    5 5 Great product, wish it was bigger

    The door is great, and functions just as advertised. I do wish it was a little bigger; my cat is only medium sized but he still has to maneuver to get through it, partly because of the size and partly because it requires significant pressure. He uses it, but slowly, which is bad because I wanted it to protect him from feral cats. We live in a very remote area; they inevitably turn up and injure him. However, it does keep them out of the basement and, without a food source, they are unlikely to hang around for long. Also I would like my next cat to be a Maine coon, and there is no way the door will be big enough. If I had a re-do, I would find out if the dog version (from the same excellent manufacturer) would work.

    ed. note SureFlap has released a microchip pet door which, at 7" x 7", is much larger than the 5 3/4" x 4 3/4" cat flap.

    (Posted on 6/13/2013)

  • A bit disappointed review by Joe Roop
    5 4 A bit disappointed

    For my large cat, I can't get him to come through the flap. The good thing about this product is that none of the other large cats in the neighborhood will come in either. So it serves to discourage other cat, though now my cat mostly comes through the door when I open it.

    ed. note. SureFlap is coming out with a larger flap in May, 2013.

    (Posted on 4/22/2013)

  • 17 pound cat uses SureFlap door review by Ashy'sDoor
    5 5 17 pound cat uses SureFlap door

    My sweet and very timid American shorthair loves to visit the neighbors and beg food from them. That's why he weighs 17 to 18 pounds. He weighed only 15 pounds when I read about SureFlap but I bought it anyway thinking I would get him on a diet. It took a couple of weeks to get him to use it. I kept it taped open so that the clicking noise didn't startle him as he went through it. It was a tight fit but he loves the outdoors so he did it. One day another cat came in with him and I knew he had to learn to deal with the noise. With the extra weight, he has to pull himself through it with his front paws but he uses it every day since he learned. His feet stick straight out behind him as he pulls himself through.

    ed. note. SureFlap will have a larger size available in May, 2013. You'll find it on under electronic pet doors for cats.

    (Posted on 4/19/2013)

  • Great Invention review by Thomas
    5 5 Great Invention

    I'm so glad I found this cat door! The stray cats in the neighborhood figured out how to get to our cat food way too fast! I finally can keep them out while our two cats can come in any time they want to. Both of our cats are pretty old and so it took them some time to re-learn how to get in and out - especially the stubborn one seemed to prefer to starve instead of trying the door - but she finally got it too! I think part of the problem was that our cats are pretty large - I second Maureen's wish to get it in a different size. Slightly taller would have made it easier for our cats. I also think that it might work a bit smoother if the sensor would be a bit further away from the flap since our cats like to push the door with the paw and not with the face. But it works and there might be some other reasons why it's so close to the flap.

    But besides these two smaller points I'm really impressed how well it works with the micro chips. My vet never heard of a flap that uses the micro-chip. It has made our life a lot easier - we can even go away for a couple of days without any problem! Thank you!

    (Posted on 4/5/2013)

  • Great product review by viejo
    5 5 Great product

    We tried everything. The uncontrolled flap let everbody and everything in. The magnetic door required our cats to wear a magnet on their collar. I still have a coffee can full of nails, bottle caps, etc that the cats brought in on their collar magnet. The programmable disk style door was fine except when the cats lost their collar. Without the programmed disk they couldn't get in and the disks were expensive to replace. Now we have the SureFlap. No unwanted intruders, no metal collection and nothing to worry about if a cat loses its collar. The Sureflap is by far the best solution for my cats.

    (Posted on 4/1/2013)

  • Buddy's Private Entrance review by Ron
    5 5 Buddy's Private Entrance

    I purchased the Sure Flap a couple of months ago for my cat, Buddy. I live in a secluded area, a forest with extreme weather elements and dangerous wild animals. He has a private and safe place to to get in out of the elements and the dangers. It did not take him long to learn how to enter and exit. The Sure Flap is perfect. He know where his food, water, and warm-dry bed is when darkness arrives. Thanks Sure Flap!

    (Posted on 3/31/2013)

  • LOVE this Cat Door!! review by Donna
    5 5 LOVE this Cat Door!!

    We previously had a regular pet door that we thought was great until we came home to find a stray cat in our house eating our cat's food. Didn't mind so much that the cat wanted to eat but when he started to "spray" on my furniture and walls! Sorry buddy but you have to go!! We ordered a microchip online and had our Vet implant it. The installation of the door was simple because we just took the old door out and this one fit right in its place. It did take a few days for our cat to get use to the clicking noise that the flap makes once it recognizes the chip. She also had to learn to push harder on the flap but once she got the hang of it, it has been WONDERFUL!! We have now ordered another one to put in our garage. No more worrying about any stray animals getting in! Highly recommend this product!!

    (Posted on 3/11/2013)

  • A+++ review by Nancy
    5 5 A+++

    Once I got my cat to go in and out, it worked just fine. To get the cat to enter I had to turn off the chip recognition, but once he was familiar with going in, it was no problem. Great device, now I don't have to worry about raccoons getting in my garage!

    (Posted on 3/2/2013)

  • sureflap micro-chip cat flap review by carl
    5 5 sureflap micro-chip cat flap

    love this item. have been using it for two months now and works great. took my cat a few days to figure it out. He did not like the pressure it took to open the door. but after days of training he finally got it and now he uses it a hundred times each day. it was extremely easy to program. This item is good quality. solid construction and looks good. Has a great air seal so I dont feel a draft. hopefully it will last a long time.

    (Posted on 2/11/2013)

  • This door has saved my cat many times - wish it came in various sizes review by Maureen
    5 5 This door has saved my cat many times - wish it came in various sizes

    I knew how hard it was keeping collars on cats so I purchased this cat door two years ago. It was one of the best purchases I ever made! My cat came through the door at warp speed a few times and right behind her we heard a loud thump. The big male cat from a few blocks away just hasn't learned he can't get through this door. Thank God she has a safe way in without being stuck at that cat's mercy. She's been an outdoor cat since she was spade. I wanted to keep her inside, but with kids around she made her way out every chance she could. I had to leave the door open a crack so she could safely get back in. I then bought this cat door to ensure she was able to come in and I didn't have to leave my door opened. She's had her freedom ever since and I've had the peace of mind that she's safe. I wish this door came in various sizes as this door is a bit small. She fits through fine, but if she started coming in as an adult cat it might have been scary for her to attempt it (though the cat that chases her doesn't seem to worry about the size and he's much bigger:). But it would be great for dogs as well. My dog weighs less than 15 lbs but I can't imagine she could fit through it.

    (Posted on 1/21/2013)

  • Excellent! review by Gin & Sue
    5 5 Excellent!

    This was easy to install, easy to program and easy for our cat to use. She is one happy girl now that the neighbors' cat can't come in.

    (Posted on 12/21/2012)

  • Excellent product. review by Happy Camper
    5 5 Excellent product.

    This door is the ONLY way to go. I bought a “normal”, non-latching door and got a raccoon in the house because there was no way to keep them out. So, I bought one of those doors with a magnet to put on the collar to operate the latching system of the door. Kept the coons out but would anchor the poor cat to the bar-b-q grill, the stove, the fridge…anything metal. Under closer inspection the poor critter had a screw and two nails attached to the magnet. The micro-chip flap allows ONLY your pet access with no collar gadgets.

    (Posted on 11/21/2012)

  • marvelous! review by Dr. D.T.
    5 5 marvelous!

    This is one of the few products that I have seen, that actually opeaarte fully as advertised. From installation, to programming to use; is is outstanding. Our cat learned to use is with (relative) ease and uses it to let herself (and only herself) in and ojut regularly. Thanks, Sureflap!

    (Posted on 10/13/2012)

  • AWESOME!!! review by bjp
    5 5 AWESOME!!!

    This is such an amazing product! I have 4 outdoor cats whom I bought this for. We moved to a new home that has a heated garage in the back. I thought this would be great for my cats to stay warm during winter and also to enjoy their meals. I don't have to worry about unwanted racoons and possums and other cats eating their food and causing fights. I had my handyman install this in the garage door. I brought all 4 cats over in carriers. After they relaxed a bit, I set it on the memory (learn mode). One by one they found their way out and it learned their chip. It took awhile for them to learn and get used to the clicking noise as they try to reenter. It only took a few weeks, and now that the weather is turning they want to be inside! By the way-I had to take all 4 to the vet to be chipped--specifically for this product. Crossed my fingers it would work and it does!!! Amazing product-Thank you!

    (Posted on 10/8/2012)

  • This is great! review by Cat Lover in Memphis
    5 5 This is great!

    I live in a semi-rural area and keep cats. I firmly believe cats are happier when they are able to go outside and do normal cat stuff -- hunt, climb trees, scratch in dirt etc. But occasionally a feral tomcat gets the idea that here is a cat-friendly place and eventually they learn to use regular pet doors. I wouldn't care all that much if they just came in to eat, but invariably they have to spray, and that, believe me, is unacceptable. I've tried various methods from chasing them away to catch and relocate to outright shooting them, but the Microchip flap is my absolute favorite. Nothing for the cat to remember or lose or get hung on, just makes use of the ID chip that you can have your vet install in 10 minutes. Likewise, the door itself is pretty much a direct replacement of the normal door you already have. Just change the batteries every four months or thereabouts.

    (Posted on 7/1/2012)

Weight 3.0080
Manufacturer SureFlap
Your Maximum Pet Size Cats
Controls Access From Outside Only
# Collar Keys Included 0
Operates On Battery
Flap Opens Pet Must Push
Frame Material Plastic
Flap Material Acrylic
Flap Design Single, One Part , Rigid, Thin Flap
Flap Colors Clear
Flap Thickness 1/8"
Door Open Type Unlocks for the key signal and pet pushes open
Additional Lock 4-Way Lock
Number Pets 32
Activated By Implanted Chip, RFID
Can Be Installed In Dual Pane Glass Sliding Glass Door, French Doors, Hollow Core Door, Plate Glass, Polycarbonate, Plywood or Other Thin Material, Sash Windows, Sidelight, Sideways Sliding Windows, Single Pane Glass Sliding Glass Door, Solid Core Door, Vinyl-Framed Sliding Glass Door, Walls
Adapter Available for Installation in Wall Yes
Adapter Available for Installation in Plate Glass or Other Weak Material Yes
Warranty Period 3 years
Return Period 30 days
Manufacturer's Restocking Fee 0

SureFlap™ Micro-Chip Cat Flap Description



How to "Learn" your Cat into your Cat Flap



SureFlap™ Micro-Chip Cat Flap Setup



What is a microchip?



In Glass Demonstration Video

Glazier Recommended


How to Install in a Door



How to Install in a Door Animation



Click here to read the SureFlap™ User Guide

Congratulations on your purchase of SureFlap™. This cat flap has been designed to recognise the ID chip already implanted in your cat, allowing access to your pet and keeping out marauding intruders. Your home becomes a secure environment for your pet, leading to a happier, more relaxed animal.
Operation of SureFlap™ couldn’t be simpler. Once the unit is installed and the batteries put in place, the flap can be put into learn mode. The next time your cat passes through the flap, the unique ID code of its chip is put into memory. Now SureFlap™  unlocks whenever your cat wants to come into the house. Multiple cats are no problem. Up to 32 cats can be programmed into the flap at the same time – more than enough for most people’s needs!
SureFlap™ has all the features you would expect from a high quality cat flap including: - Robust and elegant design
- Learn mode for programming multiple cats
- 4-way manual lock
- Low battery indicator
- Typical battery lifetime at least 6 months
We wish you years of trouble free operation with SureFlap and hope you enjoy the benefits it brings to your home and pet.

Microchip Type

SureFlap™ has been designed to work with by far the most common type of microchip, the FDX-B. In order to confirm that your cat has this chip then please check your registration certificate - the FDX-B has 15-digits such as 985.120007381291. If in doubt then consult your vet on the microchip type in your animal.
Extensive tests have shown that SureFlap™ works perfectly with the vast majority of FDX-B microchips. However a very small percentage of cats have a microchip without the required range for SureFlap™ this does not mean there is a problem with the microchip as your vet can still pick it up with their handheld scanner close to the microchip. In these rare cases SureFlap™ can only be used as a normal cat flap without selective entry.
If a new hole is being cut for installation we strongly advise testing SureFlap™ with your cat(s) first. In order to test that SureFlap™ works with your cat please carry out both the learn mode and then test normal operation.


DIY installation may involve the use of power tools or cut glass. Safety equipment (gloves, eye protection, etc.) should be used and if in doubt consult a professional to carry out the installation.
Suitable door types:  Instructions are provided for installation in all door types, including wooden, plastic, glass, and metal. Before installing in a door with unknown construction please check for a metal plate in case a larger hole is required.

Note, a simple test for the presence of a steel plate in the door is with a magnet. If the magnet is attracted to the door then there is a steel plate within, and you must follow the instructions for mounting in a metal door. However, even if a magnet is not attracted to the door then still check for the presence of other metals, such as aluminium, which require the same mounting conditions. If you can only be sure of the construction of the door by drilling a hole in it, make a trial hole anywhere covered by the proposed hole for SureFlap™.

The ideal height of SureFlap™ is such that the base of the tunnel is the same height above the ground as your cat’s stomach. In practice, however, mounting is normally dictated by the door in which the unit is installed e.g. sill height. In these circumstances, it is usual to mount SureFlap™ as low as possible – your cat won’t mind a little step up.

Installation in wooden doors, plastic doors, or plasterboard walls.

1. Place the rear cover face down. Attach a ball of Blu Tack in each of the four corners. These should allow you to stick the frame to most doors.
2. Choose the position on the door at which you want to mount SureFlap™ and stick the frame to the door. To ensure that SureFlap™ is level we recommend you use a spirit level
3. Using a sharpened pencil or pen mark where the inside of the frame touches the door as well as the two screw holes. You need to make a legible line as this will be used for cutting against.
4. Remove the frame from the door and check you have a solid line and  dots where the screw holes are
5. Using a drill with a 6mm diameter bit, drill the two holes for the screws. It is vital these holes are drilled straight to ensure the two halves of SureFlap™ connect properly.
6. Before you cut out the hole for the tunnel drill holes in all the corners large enough to allow your jigsaw blade through..
7. Cut out the tunnel hole with an electric jigsaw – ensure you cut 3mm outside the line you have marked for the hole to allow enough clearance for the tunnel. Make sure that your jigsaw is sitting flat on the door at all times while cutting. .
8. Clean off any loose debris, dust and dirt from the door before you install SureFlap™.
9. Mount SureFlap™ in the hole with the main assembly (battery door)

Inside the house

10. Mount the external frame on the outside of the house. Depending on the thickness of the door, the tunnel will protrude through the frame by differing amounts. Under no circumstances should you cut the tunnel as this contains the microchip reader and will destroy the unit. Three different lengths of screw have been provided for your use. Choose the correct screw length to suit the thickness of your door. If you are not sure. Use the smallest first, if this is too short use the next size up. Take care not to use a longer screw than needed, as this may damage the main assembly front face. Screw the external frame to the main assembly.
11. When SureFlap™ has been mounted correctly, place the screw caps over the screw holes on the external frame. Align the screw caps with the slot pointing inwards and then push firmly into place. To remove the screw caps slide a flat blade screwdriver into the side slot and lever the cap out of the hole.

Installation in glass doors or windows

Cutting holes in glass is a skilled job and should only be carried out by a professional glazier. They will cut a circular hole in a fresh pane of glass and install this in your door or window. Note that toughened glass cannot be cut after the toughening process. Your glazier will cut the hole to size and then put the pane through the toughening process. When working with cut glass always wear protective gloves as the edges may be sharp. In order to aid installation into glass doors or windows SureFlap™ also produces a glass mount adaptor. This adaptor is used as follows:
1. A circular hole 210mm in diameter is required in order to accommodate the tunnel.
2. If installing SureFlap™ in a double glazed panel you may choose to seal between the panels around the circular hole to avoid moisture collecting inside. Avoid the use of metal in any such seal.
3. Slide one of the glass mount adaptor rings over the main assembly.
4. From inside the house slide the tunnel of the main assembly through the hole in the glass.
5. Mount the second glass mount adaptor and then the external frame to the outside of the tunnel
6. If mounting in a single pane use the shortest of the three pairs of screws to screw the two halves of SureFlap™ together. A double glazed panel may require the mid-sized screw, depending on its thickness.
7. From the inside of the house you will now see your cat’s stylish new entrance

If installing SureFlap™ in a pre-existing hole then diameters in the range 210mm to 260mm may be accommodated with the glass mount adaptor.

Alternatively, SureFlap™ may be installed in the recommended 210mm diameter hole without use of the glass mount adaptor. However, a small gap at the top of the unit (6mm) will require sealing with glazing putty, and we would recommend all 4 sides to be sealed in order to ensure that the unit is weather tight.

Installation in metal doors

Microchipping is based on the use of radio waves that are absorbed by metal. As a result SureFlap is not suitable for direct mounting in metal doors. This includes the following:
- Metal skin doors
- Security doors
- Metal garage doors
- UPVC coated metal doors
In order to mount into these doors a spacer panel is required that separates SureFlap™ from the surrounding metal.
1. Cut a hole for the spacer panel with minimum dimensions 300mm x300mm .
2. Insert a wooden panel with the same dimensions as the hole and fix into place with screws and/or glue. (Alternatively wooden batons may be used to reduce the hole size).
3. Mount SureFlap™ in the centre of the spacer panel.

Installation in brick walls

SureFlap™ may be installed in a brick wall. First cut a hole in the wall the appropriate side for the tunnel. The SureFlap™ tunnel will extend approximately 7cm into the wall from the inside of the house. The region of the wall between the tunnel end and the outside of the house may be left bare brick or lined with cement, etc. If installing in a cavity wall, pre-lining the hole may be advisable to avoid moisture collecting in the cavity - if in doubt consult a qualified builder. Avoid the use of metal in any lining used. Mounting holes can be drilled in the wall with a 5mm diameter drill bit. However, to use the screws provided with thick walls, the mounting holes should be drilled again from the outside of the house with a drill bit 8mm in diameter or larger. Drill to a depth 25mm less than the wall thickness. The mid-size screw is now suitable for mounting the main assembly from the outside. Alternatively the main assembly may be glued to the inside wall of the house.

Electrical Interference

SureFlap™ contains a sensitive radio receiver to pick up the signal from your cat’s microchip. Excessive levels of electrical interference can cause the range of the system to degrade. Avoid the following situations:
1. SureFlap™ should not be used in the vicinity of other microchip readers or similar low frequency devices. These are particularly detrimental to performance and may prevent normal operation.
2. Avoid obvious sources of electrical noise such as faulty, flickering lights.
3. Avoid trailing mains cables and dc mains adaptors very close to SureFlap™.


Now your flap is installed, insert the batteries to start operation. The unit requires 4 x AA 1.5V batteries. With normal usage, one set of batteries will typically last for at least 6 months. A low battery indicator tells you when the batteries have run out
After inserting the batteries, leave the unit for about 10 seconds before allowing a cat into the tunnel - this allows the electronic sensors to settle properly.
We recommend the use of good quality non-rechargeable batteries with SureFlap™ in order to give the longest lifetime. Rechargeable batteries may also be used, however they generally produce a lower voltage and will not last as long. You may need to recharge such batteries every few months

Based on normal usage. Note that heavy usage by many cats may reduce battery lifetime.

Learn Mode

To start operation, first SureFlap™ needs to learn the unique ID code of your cat’s microchip. This process is only required once for each cat, as the code is permanently stored even if batteries are removed. Follow the simple step-by- step guide below to carry out this process:
1) Initially the unit will be locked and no cat will be allowed to enter the house. Make sure the manual lock is set to position 1, allowing the door to open freely.
2) Remove the battery cover. Press the memory button for around 1 second and release
3) The latch will open, allowing a cat to pass through the flap in either direction. A further indication that the unit is in learn mode is the indicator lamp which will flash every second.
4) The next cat to pass through the flap from either direction will be remembered if they have a microchip implant.
5) Once a cat has been successfully learnt, the flap reverts back to normal operation. The indicator lamp stops flashing and the latch will close a couple of seconds after they have passed through the flap.
For multiple cats, repeat the process until all cats have been learnt. Up to 32 different cats may be held in memory at once. Replace the battery cover after all cats have been learnt.
This method of learning is particularly convenient for uncooperative cats! Rather than having to find your cat and pass them through the flap, you can simply set to learn mode and leave until he next decides to go through of his own free will.
To cancel learn mode (e.g. after pressing the memory button accidentally) simply press the memory button again for around 1 second and the unit will revert back to normal operation.
In order to learn a cat, it is important that they pass through the flap. There is a sensor that detects the cat’s presence in the tunnel that needs to be triggered and no amount of waving your cat in front of the flap will have an effect.

Normal Operation

Normal operation couldn’t be simpler. Once programmed, SureFlap™ will only allow entry for your cat(s), denying access to intruder animals. To enter the house, the cat puts their head in the tunnel to push the flap open. A sensor detects the cat’s presence and then quickly reads the microchip, opening the latch if required. Note that SureFlap™ does not activate if your cat is just wandering in front of the flap, inside or outside the house.
SureFlap™ is designed for one-way operation only. Any animal inside the house is allowed to leave, but only your animals are allowed to enter. This is a useful fail-safe to allow exit under rare circumstances - if your cat is followed inside before the flap has time to close, you don’t want the intruder trapped inside! If you need to control exit from the house then use the 4-way manual lock.
After the SureFlap™ has opened, it will stay unlocked until after your cat has passed through the tunnel. The latch will close a couple of seconds later. Note that the latch will also open when your cat leaves the house, although this is not absolutely necessary.
One further feature of the flap is a magnetic catch that keeps the door closed when not in use.
If testing SureFlap™ before installation then your cat will need to push their head against the flap from the tunnel side of the unit. There is a sensor that detects the cat’s presence in the tunnel that needs to be triggered and no amount of waving your cat in front of the flap will have an effect.

4-way Manual Lock

The manual lock has 4 positions which control the opening of the flap in either direction. Note that the unit is shipped in position 4 (locked both directions) to keep the flap secure in transit. This should be changed to position 1 after installation.

Position 1 Open both directions. This is the standard position for normal operation of the flap and also in learn mode.
Position 2 Cat allowed to enter the house, locked from exiting the house. This mode is useful if you need to keep your cat in e.g. to take him to the vet the next day.
Position 3 Cat allowed to exit the house, locked from entering the house.
Position 4 Locked for both directions. No cats allowed to enter or exit the house.

Low Battery Indicator

Batteries last typically for at least 6 months under normal levels of use. When the batteries are nearing the end of their life, the low battery indicator comes on. This is a slow flash of the indicator lamp, once every 5 seconds. The unit will continue to operate when the low battery indicator is on, however the batteries should be replaced at the earliest opportunity.

Note the slow flash of the lamp (every 5s) for the low battery indicator is different from the fast flashing (every 1s) in learn mode. Learn mode should not be used when the batteries are low – replace the batteries before learning a new cat.

Memory Wipe

You are very unlikely to need to wipe a cat’s ID code from the memory of SureFlap. Up to 32 different codes may be stored in memory, and if more additional codes are learnt these simply replace the earliest ones stored. However, in the unlikely circumstance that you need to wipe the memory (e.g. you accidentally program for next door’s cat!) then follow the process below.
1. Press and hold the memory button for at least 10s.
2. The Indicator lamp will stay on for the duration that the button is
held down.
3. When the memory is wiped, the latch will open and close once.
4. At this point the memory is clear and SureFlap can re-learn your cat(s), as required. 

 Turning SureFlap™ Off

In the event that you want to turn SureFlap™ off and revert to a standard cat flap then follow the four steps below:
1. Remove the battery cover and make sure batteries are installed.
2. Press the memory button once to put the SureFlap™ into learn mode. The latch will open and the indicator lamp will flash.
3. Remove the batteries and replace the battery cover.
4. The latch will stay open and SureFlap can now be used as a standard cat flap.
This mode may be useful if you have purchased SureFlap™ before your cat has been microchipped or while your cat is getting used the presence of their new cat flap.


The sensor that detects the presence of a cat in the tunnel is optical and is situated on the inside roof of the tunnel, close to the flap. If these lenses become obscured by dirt then unreliable operation and/or shortened battery lifetime may result. W ipe these lenses with a damp cloth every couple of months.  Operation of the sensor relies on a reflection from the base of the tunnel, which should also be kept reasonably clean.  After cleaning, leave SureFlap™ for approximately 10s for the unit to settle before normal operation returns.

Optical sensor lenses


Symptom: SureFlap™ does not learn your cat correctly

- Check batteries are fitted the right way round and are not run down.
- Check that SureFlap™is mounted correctly away from metal surfaces.
- Check whether your cat has the correct type of microchip fitted
SureFlap™is designed to work with standard FDX-B microchips - if in doubt check with your vet, who can also verify that the chip is working correctly.
- Ensure the tunnel and sensor lenses are reasonably clean
- After inserting batteries did you leave SureFlap™for around 10s before allowing a cat into the tunnel? If not then remove batteries for at least 2 minutes to reset the unit.
- Check that there are no obvious sources of electrical noise in the area e.g. faulty flickering lights, other similar microchip readers, etc

Symptom: SureFlap™completes the learn process but then fails to open for your cat

- Check batteries are fitted the right way round and are not run down.
- Check the learning process was carried out correctly for each of the cats you own. For example, when you have put SureFlap™into learn mode for the second of two cats make sure that the first cat doesn’t go through the flap instead. If in doubt repeat the learn process for your cats.
- Check that SureFlap™is mounted correctly away from metal surfaces

- Ensure the tunnel and sensor lenses are reasonably clean

- After inserting batteries did you leave SureFlap™for around 10s before allowing a cat into the tunnel? If not then remove batteries for at least 2 minutes to reset the unit.
- Check that there are no obvious sources of electrical noise in the area e.g. faulty flickering lights, other similar microchip readers, etc
- Under rare circumstances the microchip range is not enough for SureFlap™to operate. If all other trouble shooting has been carried out without finding the source of the problem then this is likely to be the remaining cause. In this situation SureFlap™ can only be used as a normal cat flap without selective entry.

Symptom: Short battery lifetime

Ensure the tunnel and sensor lenses are clean
- Check that there are no obvious sources of electrical noise in the area e.g. faulty flickering lights, etc

Symptom: Latch takes about 10 seconds to close

- Occasionally the sensor that detects the presence of the cat in the tunnel needs to reset itself, which takes approximately 10 seconds to register. This is quite normal, however if this starts to happen often then check that the lenses and tunnel are clean.

Symptom: Cat is put off by the noise of the latch

- Your cat will learn to love their SureFlap™, however a small proportion are initially put off by the noise of the latch opening, particularly if they are not used to using a selective entry flap. If they do not adjust immediately to the use of SureFlap™then follow the following process to coax them into using it. W ith a bit of persistence all cats will learn to use the flap.
- First follow the instructions in section 11 and leave SureFlap™turned off.
This will allow them to start using it without any noise from the latch.
- Once your cats are used to SureFlap™being there then replace the batteries. If they are still unwilling to use it then prop the flap open with the door facing inside the house. A simple method here is to use tape between the bottom of the flap and the top of the main assembly. This will allow them to get used to the opening click while also having an inviting open hole to go through.

- Finally let the door swing shut and allow them to start using the flap.

Strategic positioning of food inside/outside the house can also help
encourage the initial use of the flap.

Factory Reset

In the unlikely event that the unit needs resetting to a known state then follow the following instructions to reset back to the factory settings.
- Carry out the memory wipe function
- Remove the batteries for at least 2 minutes.
- The unit is now completely reset.

© SureFlap Ltd.

Click below to expand:

SureFlap is compatible with all the following commonly used microchips in North America

  • All 15 - digit (FDXB)
  • All 10 - digit (FDXA) except those with codes starting 000..., 010..., or 020...
  • All 9 - digit (Avid Secure/Encrypted Chip)

The cat's head needs to be pretty close or inside the tunnel. This will not unlock if your cat is wandering around the pet door.

You can not use the cat door microchip key and the pets implanted chip. With any chip activated cat door if you try to use both they will actually interfere with each other and the door will not work properly.

No, the sure flap microchip cat door does not come with a timer. If you need that type of functionality that is available in the SureFlap Microchip Pet Door. However, this cat door does have the option to allow you to manually lock it at night.

Yes, the sure flap cat door can have up to 32 microchips at a time.

Yes, this cat door can be mounted on a glass or metal door with the help of the mounting adapter. This will prevent any interference with the operation of the pet door.

The only sounds the sureflap cat door makes is a gentle 'click' when the door is being locked / unlocked.

It depends on usage, but on the sure flap cat door it is typically 6 months.

The largest version is the SureFlap Microchip Pet Door with a 7" x 7" opening.

This RFID collar key can be purchased which will take the place of a microchip.

We recommend that you ask your vet about placing an identification microchip into your cat.

The pet doors work with all common microchips.

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SureFlap™ Cat Door Guarantee

Guarantee  SureFlap™ microchip cat flaps carry a 2-year guarantee from the date of purchase, subject to proof of purchase date. The guarantee is restricted to any fault caused by defective materials, components or manufacture. This guarantee does not apply to products whose defect has been caused by normal wear and tear, misuse, neglect or intentional damage.

In the event of a part failure due to faulty parts or workmanship, the part will be replaced free of charge during the guarantee period only. At the manufacturer's discretion, a replacement product may be provided free of charge in the case of a more serious malfunction. Your statutory rights are not affected.

Disclaimer The SureFlap™ microchip cat flap incorporates selective entry features which have been designed to minimize the risk of unwanted animals entering your home. However, it is not possible to fully guarantee the exclusion of all other animals in all circumstances.

In the rare event of an unwanted animal gaining access to your home, SureFlap cannot accept liability for any damage or inconvenience which may be incurred.

Warning The motorized catch and manual lock are provided exclusively to prevent the entry of unwanted animals and is not a security device. SureFlap Ltd cannot accept liability for unintended use and the owner of the product accepts full responsibility for supervising the access in and out of the home that it provides.

In households with children, it is essential to include the cat flap in child-proofing considerations. Misuse of the cat flap by a child may result in the child coming into contact with potential dangers. For this reason, young children should be monitored at all times when in the immediate vicinity of the cat flap.

Caution Prior to installation, it is the responsibility of the user to consult all building codes which may influence the fitting of the cat flap and assess the suitability of a given installation. The user must also consider potential hazards present inside or outside the cat flap as well as the impact that subsequent modifications to your property may have on the existence and use of your cat flap. It is recommended that these assessments are conducted in consultation with a construction professional.

Do not install SureFlap™ in a fire door as it will render the fire door unfit for purpose.