1Keyless entry smart door lock, multiple unlocking methods: fingerprint + antipeep virtual password + Bluetooth APP + physical key (including 2pcs). 2Onetouch fingerprint access, convenient and quick. It can automatically relock the door for you, effectively guaranteeing home safety. 3With USB emergency power interface and spare key, it can cope with the situation of severe power shortage or complete exhaustion of the battery. 4The adjustable dead bolt has a size between 6070mm/2.42.8in, suitable for doors with a thickness of 3550mm/1.42in. 5It can replace the standard singlecylinder American door lock, fits both left and right, inside and outside. Easy to install without complicated operations.
