GE 400-Watt EQ ED37 Cool White Mogul Base (e-39) Metal Halide Light BulbItem #903797 Model #30953

Uses 400 Watts (36000 lumens) 4000 Kelvin cool white light Each bulb costs 176.66 dollars annually to operate based on 3 hours per day use at 11 cents per kWh 1 bulb per package 36000 lumens (vertical)/33100 (horizontal)/65 color rendering index ED37 bulb shape Mogul base (E39) Not for use in standard incandescent light bulb sockets For use only with M59/S ballasts in commercial down lighting, floodlighting, corridors, lobbies and walkways