Good structure
Adopted Fire-proof PC
With good electrical function
High insultivity,high rigidity, anti-nick
Card induced range:0—*0mm
Working Voltage:DC6V,4pcs of AAA 1.5V Dry Cell
Stable Current: Low voltage alarm: 4.4V±0.2V
Working temperature: **5?~**0?
Working humidity: *0%~*5%RH
Frequency: *3.*6MHz
Thickness of the door: *0~*0MM
Can be changed with the thickness of the door.
Weight:***9G
