1. Single card unlocking or double card unlocking both available2. With rebound function3. Card in plastic wristband or watchband - waterproof, moisture proof, anti-corrosion4. External power supply for emergency unlocking.5. Mechanical keys available in some certain case
Material: Zinc Alloy
Lock body material: Plastic
Power supply: 4pcs AA alkaline batteries.
Battery life span: more than 15 months.
Operating temperature: -30ºC~80ºC
Antistatic behavior: >15,000V, information can be saved though in strong static
Static Power Consumption: <5μ
Dynamic Power Consumption: about 200mA
Low voltage alarm: 4.8V
Relative humidity: <95%