... lock(TM10A)Material: plastic + metalColor: red, yellow, green silver etc.Size: front panel: 35 * 43 * 22mm,lock body: 85 * 65 * 25mm ... . 4 AA / 1.5 V x 4 alkaline battery b. provide centralized power supply of small size lock body)Alarm voltage: < 4.6 ... VStatic power: < 1.5 uA Working current: 100MA - PPWorking environment: - 40°C ~ + 85°C, humidity ...