iZiv(TM) LED Energy-efficient Sensor Motion Activated Toilet Nightlight Battery-operated plastic Imported Motion Sensor: automatically light up when someone comes near, stay around 30 second Energy efficient, operated by two AA batteries, which can be easily get. (Battery not included) Widely Used: corridor, home sites, hotel rooms, leisure and entertainment, exhibition halls Useful gadget, can be easily placed on the lid of a toilet bowl with adhesive tape (Included) It's smart and will not light up in day, energy-efficient light that makes the bathroom safe and easy to use at night