SureFlap Microchip Cat FlapNo more unwanted visitors with the SureFlap Microchip CatFlap Learns your cat's existing identification microchip Compatible with all common microchip types No need for a collar or tag which can become lost or snagged Simple one-button programming learns your cat's chip number in seconds Quick and easy to install into doors, windows and walls Fits into the hole left by most existing cat flaps Battery operated - typical battery life up to 12 months Stores up to 32 cats in memoryElegant modern design Secure entry for your cat(s)Robust door and lock keep out unwanted feline visitors No need for a collar or tag which can become lost or snagged Tunnel design prevents intruder cats from pulling the door open Improved 4-way manual lock enables locking to any combination of in/out Magnetic latch prevents the door from flapping in the wind