EIKO®, SIG/600W/750/UD, High Bay Flood Light, Dimming, Series: Signal, 120 to 277 VAC, 600 W Fixture, LED Lamp, 174 Lumens/W Light Output, 50000 hr Average Life, 5000 K Color Temperature, >70 CRI, 0 to 10 V Dimming Ballast, Glass Lens, 104500 Lumens, Aluminum Housing Material, Epoxy E-Coat Primer/Polyester Powder Coat Housing Finish, 17.9 in Dia x 10.4 in H Dimensions,