PetSafe Petporte Smart Flap Microchip Cat Door, Battery Operated or Main Power Supply, Easy Install, Customised Timer Feature, For Cats Up To 7kg

With all the adapters etc required becomes expensive but works well with the chip

Perfect cat door for its size (the other models are meant for kittens) and because it’s wired. My cat found it a bit tricky at first, but when she was motivated—she was locked up at home due to illness—she figured out how to get out and now she goes in and out without any trouble. I studied the othe… Read more

You should measure carefully whether you really need an extension. In the end I had to accept the extension because otherwise the hinge couldn't be attached to the door. The installation guide for the whole system is miserable.

It did not work, so I returned it. The chip detection was quite random; I only managed to scan one of my three cats, and an hour later it stopped detecting altogether. Additionally, the green latch on the door was not secured. I should note that I am familiar with this model: I already have one that… Read more