Metal halide industrial grade area light has a rugged die-cast aluminum housing with powder-coated paint. Use where energy efficiency and light color are important. Features include nighttime On/daytime Off (twist-lock photo control with optional cover for more control), metal guard attaches (without tools) to protect lens and bulb from damage, easy installation: Ez-mount bracket and Quick-connect wiring system. Fixture operates on standard 120V 60 Hz household current, replacement bulb: 100W M90 medium base ED-17 metal halide, bulb included. cULus listed for wet location use.