Common Features:
1. Pure stainless steel mechanical structure with service life over 10 years.
2. Free handle protects the door from being opened by force.
3. Installation especially friendly to non-professionals.
4. Easy to change batteries. Just several minutes needed.
5. Fingerprint user capacity 75 and password capacity 78.
6. The users can be deleted individually without any impact on other users.
7. Passage Mode: press any key to open the lock in this mode, convenient for frequent access.

Unique Feature:
9V backup power is available in case of power failure.