5 Ways To Unlock: Door Lock 4-in-1 with fingerprint + password + app + Key(2 include)+RFID Card(X2 Option), fingerprint recognition rate up to 99.8% and open the door just need less than 1 second.You can add 200 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.

Note：If your door is a 45mm door, you need to perform a simple cutting of the lock cylinder yourself;For doors thick over 40mm, springs must be installed in the square holes of the indoor handles.