RAB Lighting, X34-350SF, Flood Light, Field-Adjustable, Series: X34, 120, 208, 240, 277 V, 163.5 to 349.5 W Fixture, 2.92, 2.15, 1.42, 1.68, 1.26, 0.85, 1.46, 1.10, 0.73, 1.27, 0.97, 0.68 A, Green Lighting Technology, LED Lamp, 350 W Lamp, 146.3 to 177.2 Lumens/W Light Output, 50000 hr Average Life, 5000/4000/3000 K Color Temperature, 82 to 85 CRI, 0 to 10 V Dimming Ballast, Tempered Glass Lens, 27586 to 55697 Lumens, NEMA 7H x 7V Enclosure, Slip Fitter Mounting, Die Cast Aluminum Housing Material, 20 in H x 19-7/32 in W x 5-3/8 in D Dimensions,