The Rite Lite LED puck light has five super bright white LEDs. LEDs last up to 100,000 hours. These lights provide the perfect solution for those dark areas in your home, office or workshop: cabinets, closets, drawers, tool boxes, pantries, under cabinets, trophy shelves, etc. Also great to keep around the home or office in the event of a power outage. Each light is battery operated (batteries not included), therefore no wires or installation are required. Includes hook and loop tape and screw bracket. Puck lights include three setting: on, dim and off. The light head pivots and swivels for ideal light positioning. Puck light includes optional light sensor: light turns on automatically when ambient light is detected and automatically turns off without ambient light. Perfect when using inside cabinets or closets.