A new age in outdoor urban lighting Compact system for optical and energy efficiency;High quality white light;Dependable service for long life and minimal cost of ownership The Philips CosmoPolis system brings high efficiency white light to outdoor lighting in traditional high pressure sodium applications. The optimzed electronic ballast with integral surge protection provides long service life and maximizes the lamp performance. Integral 10kV transient protection;IntelliVolt 208-277V or 120V input;Rugged polymeric case with integral wire connector;80,000hr average rate life Street and area lighting in urban areas, college campuses, pedestrian malls