1The smart door lock can be unlocked by fingerprint recognition and a touch keypad that is concealed on the handle. 2Virtual password input with antimonitoring function. If your correct door opening password is 123456, inputting 1111+123456 can also open the door. 3Simple installation, no wiring, no drilling required. It can be installed on your door in about 5 minutes with a single screwdriver. 4The door lock is made of weatherproof zinc alloy, anticorrosion and high strength for maximum durability. 5It is powered by 4 AAA batteries (not included) and supports USB interface emergency power supply unlocking (USB charging port is located on the external control lever). 6It replaces the standard singlecylinder American door lock. 7Suitable for internal and external dimensions from 60mm70mm/2.4 2.8in and suitable for door thicknesses between 35mm55mm/1.4 2.2in. Condition: 100% Brand NewItem Type: Door Lock Material: Zinc AlloyColor: BlackUnlock Mode: Fingerprint + Touch Password + KeyPower Supply: 4 x AAA battery (not included) or USB emergency power supplyHandle Length: Approx. 13cm / 5.1inLow Battery Alarm: 5VWorking Current: 250maStandby Current: 75UaFingerprint Capacity: 100 Password Capacity: 150 Fingerprint Pixel: 160x160False Reject Rate: