This mercury vapor security light is new in the original wrapped package. Features include: Photo cell automatically triggers light to come on at dusk and turn off at dawn, Illuminates up to 16,000 sq ft, Energy efficient up to 60% less energy than incadescent bulbs, and is a contemporary design with powder coat finish. Call at 346-2249. Location: South Anchorage it's NOT ok to contact this poster with services or other commercial interests alaska