Doorbell function: Press the doorbell button on the keypad. The smart lock will ring the bell.
Restored factory settings: Press the SET button for about 6 seconds. There will be a voice to remind you to restore the factory setting. Press button # on the keypad to confirm. Press the button * on the keypad to cancel. Any human face, fingerprint, password, or MF card can unlock the lock. The lock-unlock direction and motor torque won’t be changed after restoring the lock.
Low voltage warning: Once the voltage is lower than 25%. The lock will occur when a voice warns the battery will be out of power, Please change the battery. The battery power still can unlock the lock about 50 times when the voltage is lower than 25%.
Emergency power by external power source: When the battery runs out of power. Users can insert a cable to the USB interface and connect to an external power source for emergency power charge. The lock can be unlocked after the emergency power charge for about 30 seconds.
Illegal user alarm: Continue to input 5 times wrong unlock information, The unlock information includes Human face, Fingerprint, Password, and MF Cards. The lock body will remind the lock manager there is an illegal user and block the lock for 90 seconds. The lock will recover the normal status after 90 seconds.
