Cat Mate Elite RFID Tag or Chip Activated for average size cats

Cat Mate Elite I.D. Disc Cat Door with Timer Control, LCD Display, 4-Way Locking Options, Durable Polymer Construction -White : Pet Doors : Pet Supplies

Cat Mate 305 Wall Framing Kit and RFID Collar Key Bundle

Cat Mate Elite RFID Tag or Chip Activated for average size cats

Cat Mate Elite 305 Super Selective Electronic Cat Door - Eclusive & Customizable Entry/Exit with RFID Collar Key Access for 9 Cats

Cat Mate Elite 355: Your Pet's Secure & Energy-Efficient Door Solution

Entry operated by your cat's unique microchip or Cat Mate ID Disc. (available separately) for up to 9 cats – keeps stray pets out. Self lining up to 4

Cat Mate Elite Microchip Cat Door with Timer Control, White - with Cat Mate Elite Wall Liner

Pre-Owned Your cat's microchip is her key to outdoor freedom. The PetSafe Microchip Cat Door reads your cat's unique 15-digit microchip ID to let her in and out of the house. This door allows you to program up to 40 pets so it's great for multi-pet households. Since it only reads your best friend's microchip ID you won't have to worry about any unwanted animals wandering into your house.