Metal halide safety and security light made of rugged die-cast aluminum housing for years of service. Use where energy efficiency and light color are important. Features include nighttime On/daytime Off (twist-lock photo control), replaceable photocell, easy installation; mounting pattern included. Fixture operates on standard 120V/60 Hz household current. 4000 lumens, CRI (Color Rendering Index) 85. Coverage area 3925 square feet, distance 50 feet. Replacement bulb: 100W M98 medium base ED-17 metal halide, bulb included. cULus (Underwriter's Laboratories-Canada & United States) listed for wet location use.