A number of different kinds of collar keys have been used to trigger magnetic pet doors including infrared high pitched sound ultrasonic collar magnets and most recently rfid chips.
Magnetic dog door with collar.
The tradeoffs include careful installation and not having a deterrent for a determined raccoon since they can break in if sufficiently motivated.
Electronic pet doors sense a collar key then unlock or actually open.
The door will remain locked when other animals approach.
In both cases the collar key requires no power as it is just a magnet.
In the case of the magnet type the pet door senses the magnetic field to activate.
A collar activated dog door is the ideal way to teach your dog some independence and allow him to enter and leave the house as he wishes without any additional steps.
The door is available in two sizes.
Some of the other features of this electronic dog door include a motor driven vertically sliding door that is activated by the ms 4 ultrasonic collar.
One door can be programmed for multiple pets.
Magnetic dog door collar keys are a little larger and stronger as dogs tend not to get as close to the bottom frame as cats which can lead to them not triggering the door consistently.
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The door will only unlock when your pet approaches.
This petsafe automatic dog door can be effortlessly installed into the door or wall and can be used by up to five pets.
For the second type the magnetic field of the magnet is sensed by the pet door and it unlocks in response.
Magnetic collar keys are less expensive to replace and are waterproof and weatherproof.
It works on direct approach principle which means that unless your dog is actually moving towards the door and intending to go out it will not open.
These electromagnetic doors require power in the form of a battery.
Program the door to your pet s microchip or a key on his collar.
Magnetic collar keys for dogs are also heavier so they can be used with cats but might be a little bulky.
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