H.E. Williams Strip Light, Standard, Series: 76 Series, 120/277 VAC, Fluorescent/T5SHO Lamp, 54 W Lamp, 2 Lamps, 98.6 % Light Output, Electronic Ballast, Surface/Suspended Mounting, 22 ga Die Formed Cold Rolled Steel Housing Material, White Polyester Powder Coated Housing Finish, 4 ft L x 4-1/4 ft W x 3-5/8 in H Dimensions,