-Unlock way: Fingperint, MF Card, Passcode, override key, more security.
-Passcode with anti-peek function.
-Multi-mode unlock ways, support card+passcode unlock mode.
-Remote control unlock mode optional.
-Add/delete users on the lock, no need software
-Self-detect, intelligent recognized module.
-PCB module procceed with waterproof, moistureproof, mildewproof
-Low voltage warning function
-Can set Passage mode.

Technical Parameter
Power supply: 4pcs AA alkaline battery
Static current: <50uA 
Dynamic current: <250mA
Working temperature: -10 ºC ~+60 ºC 
Humidity: 20%~95%
Capacity: 300 fingeprints / 300 cards / 
Battery life: 1 year