Lightolier, CR4RLMCCT, Commercial Retrofit DualSelect, Downlight, Series: CR, 120 to 347 V, 5.5, 8, 12 W Fixture, 102 to 21 mA, 50000 hr Average Life, 3000, 3500, 4000 K Color Temperature, 90 CRI, 0 to 10 V Dimmable Ballast, 500, 700, 1000 Lumens, 5-15/16 in Dia x 4-1/4 in H Dimensions,