Elecrainbow Wireless Charging Plug-in Motion Sensor LED Night Light - Rechargeable Handheld Flashlight/Power Failure Emergency Wall Light Wireless Charging- Built-in rechargeable battery with charging base; No worries about sudden power off; Just plug it into 2-prong outlet and get it fully charged at any time Smart Light Sensor - During daytime, the infrared motion sensor works when the room is dark enough with built-in light sensor function! This is designed to save electricity and energy! Smart Infrared Motion Sensor- At night, the light works when any movement is detected by its infrared motion sensor function! It automatically powers off after 25 seconds of inactivity to save energy! Smart Power Cut-Off Indicator- When the electricity is cut off during charging or the plug is pulled off the standard socket,the flat light automatically turns on and become red indicator light after 10 seconds. Press the On-Off button 3 times to extinguish the indicator light! 2-in-1- Head Light: 40Lumen; Flat Light: 35Lumen; Use it either as an bright motion sensor light or a convenient flashlight; Make it as your right-hand sensor light for night entrance at hallway, basement, garage, bathroom,cabinet and closet. Ever since the temperature become higher, the sensitivity of this light might be influenced by the high temperature environment. This led light is not recommended to be used in bedroom at Summer.