Press the red and green button at the same time for 2 seconds. Both lights will flash and the door will beep.

The best microchip cat flaps you can buy in 2023 1. Cat Mate 360W Microchip Cat Flap: Best for those on a budget Do make sure that your cat’s microchip is one that’s recognised by the cat flap you choose. Some older microchips and foreign chips may not work with a microchip cat flap. Where should I install my cat flap? Press the red and green button at the same time. The green light will be on and the red one will be flashing. Finally, remember that your cat won’t want to reach up too far to get in and out of the cat flap. Make sure you install it at a suitable height for their legs. Prop the cat flap open with a peg or strong tape. Give your cat time to get used to going in and out through the hole and lower it slightly over time so that they have to start pushing it a little. If your cat is reluctant to use the flap, try enticing them through with their favourite treats.Press the red button 8 times. The unit will beep each time you press the button. Wait until you hear the beep to press the button again each time. It’s a really simple cat flap to programme, with just the push of a button and an LED indicator that flashes to let you know the microchip has been registered. You will need four AA batteries to power the cat flap, but users report that these last for around a year, making the Cat Mate even better value.

Those of us who are already servants to our feline overlords might be laughing at the idea that you can train a cat to do anything. However, there are some simple tips you can try to make your cat use a new cat flap with ease. Please note that all measurements are approximate and prone to user error, so don't worry if you measure your door and your measurements aren't exactly the same as the dimensions given online or in your manual. Your door's dimensions will also change over time; doors expand and contract, and flaps may shrink or warp.

Our roundup of the best microchip cat flaps will have your cat purring in approval

Cut-Out Size: The hole you cut in your door to install the door. After installation, you can get this measurement again by taking the pet door out. Close Cat flaps in general are a godsend for those of us who are servants to moggies, meaning we don’t have to get up and down every five minutes to let a cat in or out through a window or door. Allowing cats access to the outside world, in a safe environment, gives them the best life possible, so it’s worth investing in a good cat flap to let them come and go as they please. Flap Opening: The measurement of the part of the door your pet goes through. This is not the measurement of the flap itself, but the space your pet has to go into. This is measured using the interior door frame. Setup is easy, with one-button programming. However, this flap is marginally slower to open than some others and this may take your cat a little while to get used to, so be patient. The cat flap has a green light that appears when a chip is read successfully, and the LED light will also indicate when the battery is running low. Powered by four AA batteries, battery life is impressive at around 12 months. If your cat has a Bio Therm (temperature reading) chip, this is not compatible. These chips can sometimes stop working. Some examples of Bio Therm numbers include 985 140 000123456 and 985 141 000123456.