Includes Hub. Ideal for homes with multiple cats - choose which cats can go outside and keep out unwanted intruders. Works with the Sure Petcare app, set a curfew mode (lock/unlock time), receive notifications when your pet enters or leaves, lock/unlock the door at any time and monitor changes in behaviour over time. Please note the physical H21cm x W21cm x D11 relates to the cat flap. The required measurements for the hole to be cut out are H17.2cm x W16.6cm. The Cat Flap opening is 12cm. Made from plastic. Suitable for small to medium sized cat up to 6kgs/11lbs. Microchip recognition ensures only your pets can use the flap. 4-way lock: in/out/opened/locked. Manual locking system. Max shoulder width 14.2cm. Suitable for: glass, wood and most types of PVC doors. Can be fitted into windows. H12, W14.2, . Manufacturer’s 3 year guarantee. EAN: 5060180392819.