RAB Center Basket Troffer, Dimmable, Series: SWISH, 120/208/240/277 VAC, 39 W Fixture, 0.33/0.2/0.17/0.15 A, LED Lamp, 39 W Lamp, 135 Lumens/W Light Output, 100000 hr Average Life, Neutral White Light, 4000 K Color Temperature, 84 CRI, Class 2/Constant Current Ballast, Frosted Polycarbonate Lens, 5227 Lumens, Surface Mounting, Cold Rolled Steel Housing Material, 2 ft L x 4 ft W x 4 in H Dimensions,