Metal halide safety and security light is 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 sq ft, distance 50'. Replacement bulb: 70W M98 medium base ED-17 metal halide, bulb included. cULus listed for wet location use. For mounting arm extension use model No. EA24, 24" mounting arm.