Ursprungsort
Guangdong, China
Use time
More than 100 thousand times
Power supplay
4 pcs AAA alkaline batteries
Static current
When indicate LED tum off, static currebt ≤5uA
Work current for operating keypad
≤20mA
Ant-static current
Anti air discharge 15KV, contact discharge 8KV
Working temperature
-25℃~65℃
Working humidity
50%~95%RH