M016

Item NO.:  M016
Material:   zinc alloy
Size:         
Color:         silver/black
Power supply: 4pcs AA batteries
Battery life:  10-12 month.
Low voltage alarm function: voltage lower than 4.8V
External power interface: yes
Working temperature:   -20 ℃ ~ +65 ℃ 
Working humidity: less than 98%RH
Lock body material:fire rated plastic.