MICROCHIP CAT DOOR CONNECT lets you stay connected to your pets from anywhere. Combined with the SureFlap Hub and Sure Petcare app, it enables you to keep updated on your cats’ comings and goings, to see what they really are up to when you’re away from home! SCAN AND CONTROLS ON ENTRY AND EXIT: Dualscan Technology lets you set exit permissions for each cat. SCAN AND CONTROLS ON ENTRY AND EXIT. Using RFID technology to read your pet’s implanted ID microchip, allowing your pet access without letting in stray animals—learns up to 32 identities; Programmable RFID collar tags are sold separately for pets without microchips. SIMPLE ONE BUTTON Programming. LOCK AND UNLOCK CAT DOOR REMOTELY via the Sure Petcare App. DOOR OPENING: The Microchip Cat Door Flap opening is 5 5/8" (w) by 4 3/4" (h) and can be installed in doors, windows or walls – accessories are available from SureFlap. 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. 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. BONUS: SureFlap Dog & Cat Door Mounting Adapter, White included for FREE ($30 value) CONDITION: NEW (having a custom one made with our door)