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PetSafe Microchip Cat Flap White

Programs up to 40 pets by 15-digit chip, using a button on the door. It runs on 4 AA batteries and has a manual 4-way lock. Pets at Home buyers rate it 3.1 out of 5 from 26 reviews, against 4.2 from 22 for the SureFlap.

What the label and listing say

Capacity	Up to 40 programmed pets
Microchip	Reads 15-digit microchip ID; collar keys sold separately
Power	4 AA alkaline batteries
App required	No, programmed with a button on the door

Where this came from

Pets at Home product page

Other cat flaps

SureFlap Microchip Cat Flap White, small/medium, £70