Item NO.: E115
Material: zinc alloy
Size: dia=40mm
Color: silver/golden
Card type: EM card(125KHZ)
Power supply: 4pcs AA batteries
Battery life: 10-12 month.
Low voltage alarm function: voltage lower than 4.8V
External power interface: yes
Reading distance: ≤25mm
Reading time: less than 1s
Working temperature: -20 ℃ ~ +70 ℃
Working humidity: less than 98%RH
Lock body material:fire rated plastic.