The SureFlap Microchip Cat Flap uses your cat’s existing microchip like an electronic door key to keep unwanted animals out of your home. The unique number on your cat’s microchip is permanently stored in the memory of the cat flap, even when the batteries are removed. When your cat approaches the cat flap from the outside, it reads their microchip and the door unlocks. It remains locked for any other animals who try to gain entry, creating a secure environment for your cat. Resident cats are less stressed once they realise their home is no longer being invaded.

Key features

Makes cats feel more comfortable in their own homes
No more fights or spray marking in the house
Compatible with all common microchips and the Sure Petcare RFID collar tag (not included)
Battery powered – requires 4 x AA batteries which last up to a year (not included)
Low battery indicator light gives you plenty of notice when the batteries need changing
Can be installed in doors, glass or walls
Four-way manual lock allows greater control of your cat’s entry or exit
Stores up to 32 pet identities

When installing into glass, the is required. This is because glass requires a circular hole. The mounting adapter ensures that the flap fits into the glass correctly with no gaps. The adapter can also be used when installing into a wall as it leaves a smooth and clean finish.

Dimensions

Flap opening size (the smallest area your cat will have to enter) – 142mm (W) x 120mm (H)
Door/wall mounting hole size – 165mm (W) x 171mm (H)
Glass mounting hole size (a circular hole is required) – The optimum hole size is 212mm in diameter, but it can be installed in holes up to 260mm in diameter
Exterior frame size – 210mm (W) x 210mm (H)

INSTALLATION INSTRUCTIONS

The presence of a metal plate in an installation location can influence the performance of the Microchip Cat Flap, reducing the range of the microchip reader. This includes the following:

Metal skin doors
Security doors
Metal garage doors
UPVC coated metal doors
Metal frames around a wall installation

For most situations you will not notice anything, as the read range will still be sufficient for the majority of microchips. However, if you experience intermittent operation or failure to open for your cat, first check for the presence of a metal plate in your installed location.
Note: UPVC coated metal doors often look the same as standard UPVC doors and you may need to look carefully where the panel has been cut. If a metal plate is confirmed, follow the instructions below for improved read range.

If there is metal present, you will need to cut a larger hole in your door, leaving a gap of 2-3cm (1-1.2”) between the tunnel of the cat flap and the metal in your door. To begin with, trace around the outer edge of the back frame as a size guide. Now mark your cutting line 1cm (0.3”) inside the line you have traced around the back frame, leaving the screw holes in place. Cut this hole and reinstall the cat flap.

If you still experience intermittent operation you will need to increase the size of the hole again, in this case you will require the cat flap mounting adaptor.

Once you have the mounting adaptor, trace around the circumference of the mounting adaptor as a guide. Now mark a circle approximately 2cm inside the line from the mounting adaptor, again leaving the indentations for the screw holes. Cut this hole and then reinstall the cat flap again. This will extend the read range further and should resolve any issues with mounting in a metal door.

Customer reviews

4.5 out of 5

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My cat escapes

I’ve had this now for about 2 years, easy to use and always picks up my cats microchips. My cat is some kind of escape artist however, who manages to get out even when the flap is locked, I think he bends the side with his paws and shoved through it. It only locks at the bottom so if you have a crazy cat- this can happen! Lucky for me its so much effort for him he rarely does and the curfew option means he can get back in once he’s made his escape

Lucy –

November 28, 2022
Perfect pawfect

Easy to install and it only took a couple of days for our very timid cat to gain the confidence to use. He’s now in and out all the time, enjoying his sense of freedom and we have no litter tray to clean out-bonus!

Anne –

October 27, 2021
Works well

This cat flap replaced an identical one that â€œwore outâ€. It wouldnâ€™t release its catch when the cats presented their chips to the reader so the cats got locked out all night one night. We tried to fix it but couldnâ€™t so bought this new one. Glad that it was on sale at a reduced price. So far, itâ€™s working well.

Your wish is my command –

October 18, 2020
Affordable microchip operated cat flap.

I bought the catflap to replace one I had bought previously. Why go for another product when this one is so good.

Momma –

September 1, 2020
Does what it’s meant to

Easy to install, and works as it should. Only had it 2 weeks so can’t comment on battery life, but so far I’m pleased.

Jenana –

August 17, 2020