16 in 1 unlock: keyless entry smart biometric recognition lock, with password + Bluetooth + fingerprint + card + key unlock + APP temporary password unlock. 2Administrator Bluetooth Key: After the phone and door lock are connected, open Bluetooth and mobile app, can unlock with your phone. 3Administrator password: After the phone and door lock are connected, there is a permanent valid administrator opening password. 4Electronic Key Remote Authorization: The administrator can remotely send the electronic key to another person's mobile phone APP, which can limit the use time of the electronic key and instantly freeze, unfreeze and delete the electronic key. 5Password remote authorization: Can send the permanent password and time-limited password remotely, when the door lock is not connected to the net.
