The mr beams net bright high performance LED security light instantly increases safety and security around the home. Providing 500 lumens of bright light and two adjustable heads that cover up to 800 square feet, the motion-activated spotlight is like having two outdoor security lights in one. Net bright technology allows the outdoor spotlight to communicate with other net bright lights. Create up to four networks with up to 50 lights on each for sophisticated, affordable home security lighting. Because the outdoor motion light is battery powered, it can be installed almost anywhere in minutes with the included screws, including garages, doorways, sheds, fences and trees. The security light is motion activated with auto shut off to prolong battery life.