Compatible/Replacement for Petsafe Microchip RFID Collar Tags Disc Key (Pack of 2)

Dimensions: Diameter 1 inch, 25mm. Each collar tag has a unique code and weighs just 0.09 oz 2.8 grams Package contains: 2x Petsafe compatible RFID tags EXCLUSIVE ENTRY – Keeping curious and unwanted animals from entering your home, the Microchip Key Fob unlocks the Microchip Cat Flap so it is ready to be pushed open by your Cats only. Compatible with PPA19-16145 and PPA44-16427. 25mm diameter MULTI-PET HOMES – Ideal for homes with multiple Cats the Microchip Cat Flap can be used with numerous Key Fobs to ensure only your Cats gain entry NO MICROCHIP – Felines with incompatible microchips can still enjoy exclusive entry to your hom INDEPENDENCE – With the Microchip Cat Flap only opening for your Pets, the Key Fob gives your Cats the freedom and independence to come and go as they please without constant supervision from their owner