Explosion Proof Lighting Fixture, Hazardous Location Fixture Type, Integrated LED Lamp Type, Lamp Quantity 0, Lamp Watts 150 W, Fixture Wattage 150, Voltage 120/277V AC, No Fail Design with Multiple Power Supplies, LED Arrays, No Lamp Included, Ambient Temp. Range -58 Degrees to 149 Degrees F, Housing Material Aluminum, Powder Coated Housing Finish, Lens Material Glass, Finish Gray, Adjustable U-Bracket Mounting, Length 17 1/4 in, Height 15 11/64 in