... 400,600,1000w, CE and RoHS certified. Features of hid lamp HPS 1000W(E):1) Advanced processing equipment ... efficiency, long rated average life 20,000 hours4) Cost-effectiveness of power consumption5) Golden-color light output, strong fog penetrating ... (helpful to drivers' eyestrain, beneficial of traffic safety)6) Applications:Lighting in roadsLighting of stations, airfields, wharfs, freight, transport ...