Voltage: 120-277V, Wattage: 50W, Type: LED Magnetic Strip, Color Temp (Kelvin): 4000K, Lumens: 6100, Replaces: 80W Fluorescent Lamps, Certifications: DLC Listed # R4-28TRF4S50W40K, UL, CE, RoHS, Beam Spread: 140 Degree, Length: 48.0 in., Width: 0.38 in., Base Type: Magnetic, Average Life Hours: 40,000, Color Emitted: Cool White, Is It Dimmable? No, Features: Both the strip and the driver mount to virtually any flat magnetic surface. Includes diffused, white poly-carbonate cover. This listing consists of a complete kit with (4), 4-ft. LED magnetic strips and (1), LED driver, ready to install. Easily retrofit into any 2 x 4 ceiling panel fixture or any 4 ft., 8 ft., fluorescent fixture.