Connect with the Hub (included) which links the Microchip Pet Door Connect to the Sure Petcare app Remotely lock or unlock the pet door anytime, anywhere from the Sure Petcare app Know whether your pets are at home, monitor long-term activity and notice changes in behavior Receive notifications when your pet enters and leaves your home Prevents intruder animals entering your home Create a curfew - set the door to lock and unlock at specified times or take control at anytime using the Sure Petcare app Share app access with friends and manage their permissions Designed for large cats and small dogs Battery powered with up to 6 months battery life (4 x C cell batteries) Selective entry – any animal can exit. The microchip reader is located on the exterior of the pet door only