Lock body material: Plastic
Power supply: 4pcs AA alkaline batteries.
Battery life span: more than 15 months.
Operating temperature: -30℃~80℃
Antistatic behavior: >15,000V, information can be saved though in strong static
Static Power Consumption: <5μA
Dynamic Power Consumption: about 200mA
Low voltage alarm: 4.8V
Relative humidity: <95%