Feature:
Adopt the PVD processing, anti-corrosive, does not change color.

Double-layer steel locks face, shockproof, anti-sabotage. Standard style, common & reliable. Use the TEMIC RF cards with encryption; adopt the microwave measurement technique to avoid the shortcomings of infrared measurement card. Contact with any illegal card, in-circuit will not damaged, can still work properly.

Technical Parameters:4*1.5 v alkaline batteries
Static power consumption: < 15μA      
storage capacity: 256 pieces
Dynamic power consumption: 120mA~180mA
Battery life: Continuously and normally for above15000 times
Under voltage instruction: When the working voltage is lower than about 4.8V, the red candle is bright, but also can open the door about several dozens times.
Operating voltage: 6V,