Elite SuperSelective Cat flap: includes 2 electronic I.D discs (up to 8 unique I.D discs possible) to control individual entry and exit through the flap - keeps all other animals out. LCD Display shows selected entry and lock status, cat location and time since flap last used for up to 3 selected cats. Low battery indicator. Requires 4 x AA batteries. Timer function controls access (rush hour, night time. etc) for all your cats. Self-lining to 2 thick, universal fitting, draft and weather-proof. 3 year guarantee. White and Brown. Wall liner available. Elite Selective Cat flap: includes 2 electronic I.D discs (up to 7 unique I.D discs possible) to control individual entry and exit through the flap - keeps all other animals out. LED display shows selected entry and exit lock status, plus low battery indicator. Requires 4 x AA batteries. Self-lining to 2 thick, universal fitting, draft and weather-proof. 3 year guarantee. White and Brown. Wall liner available. Elite 4 Way Locking Cat Flap: a revolutionary, secure locking system controls entry and exit through the cat flap. Self-lining to 2 thick, universal fitting, draft and weather-proof. 3 year guarantee. White and Brown. Wall liner available. Elite Wall Liner: Any number of these robust sections may be added to any Elite cat flap to enable easy wall installation. Elite Electronic I.D disc: spare discs for Elite Super Selective and Elite Selective Cat flaps.