Pure stainless steel mechanical rotating structure enable for using more than 10 years
Using 4 x 1.5V standard alkaline batteries & it is easy to change batteries in the lock.
Unlock ways: Fingerprint or Keypad for Mechanical key.
Can delete the users individually.
If the fingerprint is not input correctly. The handle is free handle; it can provide the door from opening by force and prolong the using of the mechanism of the lock.
Fingerprint user capacity 150.
Suitable for installation by non-professionals.