The SureFlap Microchip Pet Door Connect - like all SureFlap products - scans your cat or dog\'s microchip to keep unwanted intruders out, but when combined with the Hub helps you stay connected to your pet wherever you are.The Sureflap Microchip Pet Door Connect is suitable for Cats & Small Dogs and has a flap opening of 178mm (W) x 170mm (H). This dimension is the smallest area of the cat flap that your cat or small dog will have to enter throughHave you wondered what time your cat comes in from their midnight stroll? Forgotten to lock the cat flap on bonfire night to keep your cat safe inside? Or just wanted reassurance that your cat was coming and going normally while you\'re on holiday? The SureFlap Pet Door Connect Hub links your cat flap to your smartphone to do all this and more!Receive notifications when your pet enters or leaves the house, monitor your pet\'s routine over time to watch out for sudden changes in behaviour, create a schedule to lock and unlock your catflap, manually control it all from the app whether you\'re home or away, and more.Key FeaturesConnect with the Hub which links the Pet Door Connect to the free Sure Petcare appLock or unlock the pet door remotely from the Sure Petcare app, even when youre not at homeCheck if your pet is at home, and keep track of long-term activity to spot changes in behaviourStay up to date and receive a notification when your pet goes in or out via the pet doorReads your pets existing microchip and prevents intruder animals entering your homeSet the door to lock and unlock at specified times using the curfew mode, which can be updated any time using the Sure Petcare appShare app access with friends and manage their permissionsDesigned for large cats and small dogsBattery powered with up to 6 months battery life (4 x C cell batteries not included)The free Sure Petcare app is available on the iOS and Android app stores, or can be accessed via a web browser (see details in the manual)Microchip Pet Door Connect SpecificationsFlap opening dimensions: 178mm (W) x 170mm (H) - This dimension is the smallest area of the pet door that your cat or small dog will have to enterDoor/wall mounting dimensions: 207mm (W) x 234mm (H) - The size of hole required to fit your cat flapExterior Frame Dimensions: 262mm (W) x 281mm (H) - Size of the exterior pet door frameTunnel depth: 70mm - Depth of the inside tunnel of the cat flapGlass Mounting Dimensions: - A circular hole is required to install the pet door in glass. The optimum hole size is 300mm, but the pet door can be installed into holes up to 320mm in diameter.Batteries:4 x C (not included)Hub SpecificationsHub size:90mm (W) x 69mm (H)Wireless frequency:2.4GHzSupplied with Ethernet cable (1.5m) and power supply (1.5m)