High Tech Power Pet Ultra-Sonic Collar Keys

SKU# 19HTKey

  • Operates the High Tech Power Pet Doors
  • MS-5 is a rugged and waterproof key, perfect for dogs that swim or rough-house
  • MS-4 is water resistant and a good choice for more mellow pets
  • Batteries last approximatly 3 months
  • Click here to order additional batteries

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Stock No: 19HTKey

Availability: In stock

Price From: $49.99
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Price From: $49.99

High Tech Power Pet Ultra-Sonic Collar Keys

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  • Operates the High Tech Power Pet Doors
  • MS-5 is a rugged and waterproof key, perfect for dogs that swim or rough-house
  • MS-4 is water resistant and a good choice for more mellow pets
  • Batteries last approximatly 3 months
  • Click here to order additional batteries

The High Tech Power Pet Ultra-Sonic Collar Keys

This collar works with all High Tech Power Pet Doors. It's a good idea to keep a spare handy in case of loss or failure.

High Tech products are activated by an ultra-high frequency sound wave. This sound is much higher than can be heard by even dogs or cats. These sound waves are, of course, affected by the environment so performance will vary somewhat when the flooring is carpet vs hardwood floors.  The High Tech pet doors included an adjustment which allows you to make compensation to get the opening distance you prefer under various conditions.

The MS-2 has been discontinued. It employed the original High Tech design.

The MS-4 is a more recent version. In addition to being water resistant, it is a digital design that extends battery life to about 3 months. The MS-4 uses a proprietary battery available from this web site. This key is used with the High Tech Power Pet Automatic Pet Doors.

The MS-5 is a digital collar key like the MS-4. However, it is completely water-proof. It's also built more sturdily which should address some of the reported problems of the case coming apart. It is used with the High Tech Power Pet Automatic Patio Pet Door and the High Tech Power Pet Automatic Pet Doors.

Be sure to use the proprietary battery specifically designed for use in the MS-4 and MS-5 collar keys only.

Set Direction

Customer Reviews

  • The Good and the Bad review by CoolCat DaddyO
    How do you rate this product?
    5 3 The Good and the Bad

    I'm really happy with the Power Pet Door. It's worked flawlessly since I bought and installed it three+ years ago. The Collar Keys, however, are a different story. The sound transducers don't last. I've had the Two Plus and the Five. There are two different transducers that came with the Two Plus, the sealed silver cap variety, and a screened top variety (with a small sound hole in the case. The transducer in the latter is the only one that my dogs haven't been able to break, and the dogs still have that variety on their collars today.

    I also found that the Collar Key cases come apart too easily. I've been very successful using heavy tie-warps to keep[ the case closed, and to attach the transmitter to their regular collars. I haven't lost a collar key since I've done this.

    One suggestion for improvement: The LEDs on the Power Door are very bright at night. It would be nice to have an auto-dim or some other sort of control to dim or turn the lights off at night.

    (Posted on 5/4/2014)

  • Ultra-Sonic great!! review by huskersal
    How do you rate this product?
    5 5 Ultra-Sonic great!!

    The updates made to the collar keys were much needed and a fantastic way to modify them!
    Can't give it enough "thumbs up"!!!

    (Posted on 3/17/2014)

  • Love the door and collars review by Liz
    How do you rate this product?
    5 5 Love the door and collars

    I have had the power door for about 7 yrs now. I have gone thru 3 of them ( they are water sensitive) but they are well worth it

    The collars are difficult to get on, and sometimes fall apart when the battery needs changing.I have gone thru numerous collars and always keep a spare on hand. I hope advancements will be made in these areas of concern
    I love the system as a whole- flaws and all- keeps out the opossums and raccoons from our studio and garage while allowing the kitties to go in and out all on their own

    (Posted on 9/13/2013)

  • Door is Great - Collar Needs Improvement review by windsale
    How do you rate this product?
    5 3 Door is Great - Collar Needs Improvement

    Agree with comments about the collar. Ours comes apart, and is not water resistent. We used a safety pin to fix the electronic key to our peeks collar to help keep it out of his water bowl and out of his mouth!

    It needs to be reconstructed for greater durablity and smaller for toy breeds.

    (Posted on 5/22/2013)

  • Overall - Great Product review by windsale
    How do you rate this product?
    5 4 Overall - Great Product

    I love the convenience of the door. The electronic key is a little big for small dogs. I would like to see one made a little smaller for smaller dogs and with some kind of waterproof casing or shrink wrap. My Peek's electronic key drops into his water when he is drinking and I have had to replace it twice. I love the door - the convenience is great. I have a cat who is not allowed outdoors and this is the perfect solution to giving my peek the freedom to go out while keeping my cat inside and safe.

    ed. note: The mfr has informed us that the newer MS-5 collar key is more durable and waterproof.

    (Posted on 5/22/2013)

  • Great door. Bad Collar Design review by Aussie Lover
    How do you rate this product?
    5 2 Great door. Bad Collar Design

    Love the door for our two Aussies purchased when they were pups. The collar design is the worst, and the collar warranty is not accurate. We have been trying to replace our collar for two months, this after the purchase of at least 5 due to failures. Continually receive notices from Customer Service that they will contact us for replacement after our emails, but it has never happened! What good is the door without a functioning collar!!

    ed. note. Our understanding is that the new MS-5 collar key is much improved.

    (Posted on 5/5/2013)

  • Great door, collar needs work. review by Sasha's Human
    How do you rate this product?
    5 4 Great door, collar needs work.

    I've not had any problems with the pet door, I love it! The collar needs to have an easier way to put it on and take it off. It needs a clip instead of the rings.

    (Posted on 4/29/2013)

  • Overpriced review by Bob
    How do you rate this product?
    5 3 Overpriced

    Works well for two bucks in electronics that is sold for thirty bucks.

    (Posted on 4/2/2013)

  • great product review by Corne
    How do you rate this product?
    5 3 great product

    I just wished that it was possible to replace the batteries on the collar units. I have tried multiple times to replace the battery but the unit stops functioning with a new battery in place. So, i have to keep on buying new units. The dog doors are great for my dogs - it beats getting up at night to take the dog outside when they need to take care of business.

    (Posted on 3/20/2013)

  • replacement collar review by Ginger
    How do you rate this product?
    5 4 replacement collar

    Love the pet door it is great. The collar on the other hand is very difficult to put on and take off, would be much better with snap closure. We also have problems with the device coming apart and have to tape together.

    (Posted on 3/15/2013)

  • Love the door! review by Kansas
    How do you rate this product?
    5 3 Love the door!

    We love the door - best purchase we ever made. But we have problems with the collars coming open. We usually end up putting electrical tape around it. We have purchased so many over the years that we can usually put one together when parts of it gets lost. I also wish it had a snap buckle instead of the little rings to make taking it on and off easier.

    (Posted on 2/27/2013)

  • Great product review by Nor
    How do you rate this product?
    5 5 Great product

    I am very happy with the pet door. The sound of the motor worried our two dogs for a bit, but they quickly got over it. I particularly like it because it gives the dogs access to the back yard but prevents our cat from bringing in dead or wounded creatures.

    (Posted on 2/14/2013)

  • delicate transmitter review by Big dog owner
    How do you rate this product?
    5 4 delicate transmitter

    I love the automatic dog door, however the transmitter is too delicate. Our dog breaks them on a regular basis by scratching her neck around the collar area. It separates where it is designed to to replace the battery. it would be a simple process to manufacture these with a couple of small screws holding the halves together and would make them much more durable. The door and system are great, but having to replace the transmitter all of the time is a pain and costly.

    (Posted on 1/5/2013)

  • not thrilled with the durability of the collar review by Doglover
    How do you rate this product?
    5 1 not thrilled with the durability of the collar

    I love the Power Pet Door but I do not like the collar. The narrow cord is hard to adjust and the collar just is not durable. It does not stand up to rough play among dogs. I don't know why they can't develop a housing that will survive dogs pulling and biting on it. Very expensive to keep replacing.

    (Posted on 11/24/2012)

Weight 0.1000
Manufacturer High Tech Pet Products
Fit Hi Tech Power Pet Doors - Small & Large Sizes

How to Install MS-5 Batteries


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High Tech Pet Products Warranty

All of our products carry a full one year warranty.

If your product fails to operate at any time, for any reason, within one year of the original delivery date we will repair or replace it at our expense, no questions asked. If it doesn't work, send it back, get another one. It's that quick and easy.

A Few Simple Rules

Your product must be returned to High Tech Pet Products and must be clean and free of pet hair, dust and dander. Items that are dirty or containing pet hair and requiring cleaning will be subject to a charge equal to 25% of the original purchase price. We will ship the repaired or replaced product back to you via FedEx ground or USPS priority mail, at our expense however, you are responsible for the cost of shipping the defective product to us. In no case will High Tech Pet Products arrange or pay for the shipping of the defective product from your location to ours. Should you request the product to be sent out via air service, we will be happy to accommodate your request however, you will be required to pay the entire cost of the expedited service. ALL products, including pet doors, must be returned to us before we send out a replacement unit. We must receive and examine the defective unit before the repaired or replaced unit is shipped out to you. There are no exceptions to this policy.. When returning a product for repair or replacement, you must allow at least 1 – 2 weeks for replacement plus shipping time each way. In some cases, especially for special order items, the replacement time may be longer.

Patio Pet Doors (Sliding Glass Type Pet Doors)

are considered "Special Order" items. They require special handling and are, in all cases, subject to a 20% restocking charge. Please make sure you have thoroughly checked the size of the door you need before ordering. It is your responsibility to make sure that your patio pet door fits in your location.