Pure stainless steel mechanical rational structure enable for using more than 10 years.
No longer install the electrical machinery into the martice, which facilitated the maintenance work.
It is very easy to change batteries in the lock, just need several minutes on one Lock.
Use 9V extra power when lower which is safe and convenient.
Using 4x1.5V standard alkaline batteries.
If the fingerprint is not inut correctly. The handle is free handle, it can provide the door from opening by fore and prolong the using of the mechanism of the Lock.
Finger -print User capacity 150.
Unlock ways: Fingerprint or Keypad or Mechanical key or Tag.
