Battery-powered microchip cat flap; just press one button to register your cat's chip number, for up to 32 pet identities, also works with a collar tag. .Experience the ultimate in convenience, security, and pet-friendliness with the SureFlap Microchip Cat Flap! This innovative, award-winning design recognizes your cat's unique microchip, allowing only authorized pets to enter or exit. Keep unwanted animals out and ensure your cat's safety and comfort. Easy to install and program, the SureFlap Microchip Cat Flap is the purr-fect solution for discerning pet owners!