Add extra light to decks, steps, pathways, and more. Super bright 220 lumen light increases visibility up to 150 feet. Wireless and weatherproof, it's great for indoor or outdoor use. Now linked so when one turns on, all can turn on. 360 degree adjustable swivel head with sensor mounts anywhere. Wireless light uses 4 D-cell batteries. Batteries last a year under normal usage. Built-in motion sensor automatically turns on when movement is detected within 25 feet. 4 bright LEDs last for 30,000 hours, making this great for paths, steps, porches, gardens, driveways, backyards, sheds, or anywhere you need more light. Works well indoors too in hallways, closets, and other areas. White.