Working voltage: 6V, 4 high energy alkaline batteries
Static power consumption: <30 microampere
Dynamic power consumption: Dynamic power consumption
Life of batteries: Normally over 15000 times continuous unlocking
Underpowered indication: When voltage below 4.5v, the red light behind induction RF card turns on, and it can also unlock about 100 times (affected by quality of battery)

Unlocking record:  The "black box" in lock can store 252 pieces of latest unlocking records. There must be unlocking record for mechanical key unlocking
Mechanical key: It possesses mechanical emergency unlocking mechanism with complete independent gear system, and the high safe mechanical key can ensure normal unlocking of door lock in emergency.
Installation requirement: The thickness of door is between 38-60mm, and door margin exceeds 100mm.
Handle: Underslung type dissociative handle avoids mechanical fatigue and protects operational quality.
Plating:  PVD ceramic coating