Control via smartphone Configure, Control and unlock your Smart Door Lock from your smartphone via our secure Bluetooth App. Keyless Say goodbye to keys, Open your Smart Door lock via your smartphone, Key Card or Key Tag. Simple to fit Engineered for easy installation. Fits all 92mm centered multi-point locks. Security as standard Built in tamper alarm, PAS24 accredited. Battery operated Powered by 4 AA batteries and a warning when they re running low. Battery backup A 9v battery connection port can be used to power the Smart door lock in the event of flat batteries. Secure push & turn thumb turn Engineered to give additional convenience and security to your door.