... of efficient illumination area.2.3 Three built in control switches of operating states: OFF, ON ... 5 V battery, the operating current is below 135mA, stand-by current is less than 0.065mA. ... hook or mounting-hole, or install it by using magnet. You can also screw its back ... malfunction could occur. 5. ApplicationThis product is suitable for using in bed room, chest, cupboard, corridor, working-room, ...