https://swanedge8.bravejournal.....net/cat-flap-instal
A cat flap is an opening that allows your pet to leave and enter the house at their own pace. It can be placed in doors, windows, and even walls. It is opened when your cat pushes a part of their body through it. Microchip cat flaps unlock the door by the chip of your cat's. Infrared and magnetic cat flaps require your cat to wear a collar that has a magnet or infrared device that will activate the flaps. What is a cat's flap? A cat flap is a small opening in the window or door that allows you