LED Plat Panel 2x2 40W 40-Watt 722-LED Recessed Mount Cool White 2 ft. x 2 ft. Dimmable Flat Panel (4000K) DLC, ETL LM79, LM80, Lighting Facts, CE, RoHS Widely used in offices, hospitals, and other professional locales. Outstanding luminous efficacy of 90 lm/W. 5 year warranty