2' x 4', 4,800 Lumen, LED Flat Panel, 4,000 Kelvin Color Temperature, Universal Voltage, 0-10V Dimming Driver, L73 At 60,000 Hours, Designed To Mount In 2 x 4 Grid Ceiling, Can Be Surface Mounted With Kit #Fpsurf24, Not Included, Damp Location Listed, DLC Qualified.