Smart Door Lock With Password Silver

OverviewUnlock via PIN, Smart Card and Mobile app which is one of the best smart door locks Bluetooth version: 4.0 for rapid and simple links Low battery alert feature Backup Mechanical Key Can fit doors with a thickness of 55 mm up to 105 mm through adjusting the lock’s cylinder The lock’s battery life can bear one year of runtime from one complete charge with 10 openings/day Battery capacity: x3 AAA batteries Waterproof (IP44) The handles are made from zinc alloy for more durability, and copper cylinders for anti-corrosion and anti-rust Assigning one administrator for management and controlling the lock, and 9 users’ passcodes