Keystone Technologies, KT-CLED60PS-M1-8CSB-VDIM, Canopy Fixture, Heavy Duty, 120 to 277 V, 60/50/40 W Lamp, 125 to 140 Lumens/W Light Output, 100000 hr Average Life, 3000/4000/5000 K Color Temperature, 80 CRI, 0 to 10 V Dimming Ballast, 8400/7000/5600 Lumens, IP65 Enclosure, Ceiling Mounting, Die-Cast Aluminum Housing Material, Bronze Housing Finish, 4.2 in H x 10 in W x 10 in L Dimensions