SureFlap Cat Flap with Microchip

SELECTIVE ENTRY CAT DOOR: Uses RFID to read your cat’s implanted ID microchip, allowing your cat access without letting in stray animals learns up to 32 idenies; programmable collar tags are sold separately for cats without microchips. SIMPLE ONE BUTTON Programming. Helps prevent intruder animals from entering your home.
MICROCHIP COMPATIBILITY: Works with 9 (Avid Secure), 10 (FDXA) and 15 (FDXB) digit microchip numbers; if unsure of your pet’s microchip number, you can check with your veterinarian, pet shelter or animal rescue.
DOOR OPENING: The Microchip Cat Door Flap opening is 4 3/4″ (H) by 5 5/8″ (W) and can be installed in doors, windows or walls accessories are available from SureFlap.
BATTERY POWERED: Uses 4 AA non rechargeable alkaline batteries (not included); estimated battery life up to 12 months depending on use. LOW BATTERY INDICATOR: Light flashes red when batteries are low and indicates batteries will need to be replaced soon.