ChiTronic 1-Pack Cordless Intelligent Motion Sensor Energy-saving Wall Sconce LED Night Light Corridor Aisle Lamp (Batteries not included) Intelligent automatic light & motion sensor: energy-saving bright LED recognizes the ambience of the light in the environment in auto mode to illuminate within 3 meters and turn off beyond sensing range. Brushed aluminum compact elegant design is a best light accessory for home Dcor, mount it anywhere to light up: closet, corridor, aisle, hallway, washroom, basin, stair hall,doorway, basement, baby room. Motion sensor for auto-on up to 10 feet. Auto-off after 30 seconds of no motion detected. Brightness is controllable by manual from low to high. Powered by 4 AA batteries (not included), super energy-saving, battery life up to 12 month in low brightness mode. Easy 3M tapes or screws installation, only take a few minutes to mount on the wall, no electric wire required, no heavy drilling hassles.