Lowmany 1pc Portable Wireless Motion Sensing Closet Cabinet Light 10-LED Stick-on Anywhere Adjustable Stairs, Attics, storage room Light with Magnetic Strip Battery Operated Warm White Power operated: Powered by 4 AAA batteries or rechargeable battery (not included). Battery Powered PIR IR Sensing Built-in 10 0.3W LED lamp beads provide enough warm yellow light to you, low power consumption and long operation life of more than 8000 hours. Adopts advanced infrared induction technology and combined light and motion dual sensor, the light will turn on/off automatically by the induction of light environment and human motion. Easy Installation: included super-strong 3M double-sided tape, just peel and stick to any surface. Built-in Magnet make it can be simply slapped on any metal surface. No tools, screws or nuts are required