Specifications:

4 Ways To Unlock: Door Lock 4-in-1 with fingerprint + password + app + Key(2 include), fingerprint recognition rate up to 99.8% and open the door just need 1 second. You can add 150 groups fingerprints, Eliminate the trouble of forgetting to bring the key when you go out.

EASY INSTALLATION: Fingerprint door lock is designed to fit all of standard door, No wiring and no drilling. Fit both left handed and right handed doors.(With English language instructions）

UNLOCK WITH SAMRT APP: You can use mobile phone to unlock, or you can set a temporary password and share it with friends, visitors or housekeepers. This door lock is very suitable for families, hotels, schools and garages. Support ios and android devices.

EMERGENCY CHARGING: Keypad door knob requires 4 AAA batteries (included), it has low battery reminder function, equipped with a USB interface for emergency charging.