YueYueZou&reg; Auto 10 LED PIR IR Infrared Motion Detector Wireless Sensor Closet Cabinet bar Light LampCloset light,step light,shaking sensor light Automatic sensing: the light will light up when you get within 3 meter of it and will go out 15 seconds after you walk out of its sensing range Simple installation: an adhesive strip with magnetic fields is easily attached to and detachable from the lamp body. No tools, screws or nuts are required Super bright, low power consumption, long operating life, energy saving,environmental friendly light Suitable for the usage in bedroom,closets, cabinet, corridor, workshop, basement, garage, stairwell, oil depots, roof, door, garage entrances and other places Size:8.3 x 1.5 x 0.9 inches power supply: 4 X AAA batteries (not included)