The Xodus BL705D LED motion deck light is a weatherproof, battery-operated, motion sensing light. It is equipped with a Low Glow accent light which runs from dusk to dawn. The light brightens when motion is detected and has 2 brightness levels with 30-second and 5-minute time adjustment options. The white housing of the BL705D goes great with painted decks, stairs, and doorways as well as indoor locations. It uses Xodus' patented Low Glow Technology to extend battery life well over a year. It requires three 'C' batteries that are not included.