The answer is to get an electronic pet door.
Cat door with chip sensor.
The chip activated cat door senses your cat s microchip when they are coming back inside prohibiting animals without a programmed chip to enter.
Your cat wears a collar with a small magnet as an identification tag.
Pay close attention to measuring for size as always because microchip technology is not compatible with larger dogs due to the limited range of microchip frequency.
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However there are things to consider before installing one.
If the animal is not one whose chip has been programmed to trigger the door the two locks on the exterior of the door are activated for added security.
The way it works is that there is a tunnel facing the outside.
Petsafe interior and exterior cat door microchip rfid pet door 4 way locking big cat works with up to 40 programmed pets 4 3 out of 5 stars 1 075 89 95.
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The selective entry feature of the microchip cat flap protects your cat from harm and keeps you from worrying or losing sleep.
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As soon as the sensors detect an animal s head in the tunnel of the pet door it scans to read the microchip.
A sensor in the control panel activates when the magnet triggers the mechanism to open.
Cat mate electromagnetic door uses electromagnetic technology to unlock the system and let your cat enter the door keeping unwanted animals out.
With this door all pets can get out but read on.
These include electronic magnetic rfid chip or even motorized dog doors and cat doors.
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Electronic pet doors with microchip sensors can make life easier for pet owners and their pets by giving the pet freedom to enter and exit the home without disturbing the owner.
This cat door measures 8 2 by 8 2 so it ll work for small to large cats and it can be mounted on interior or exterior doors windows and walls with the correct mounting accessories.
The default setting is that only allowed pets can come in and everyone can go out.
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Cat mate electromagnetic cat door.
Custom mode 5 is the raccoon mode making this door a raccoon resistant cat door.