20W 4feet T8 LED TUBE 1.High Bright,Low decay 2. ... FCC,2-Year Warranty low decay 20W 4feet T8 LED TUBEIntroductionItemCL-T8-A1220WLength120cm<4ft>Base ... )>0.93LED Driveconstant-current driveLight SourceTaiwan Lumenmax SMD3014 LED,0.09W/PcsLED lamps quantity168PCSLight Technical DataLuminous Efficacy ... 20W,25W,28W,34W ,T5,T8 and T10 led tubes. (300MM,600mm,900mm,1200mm,1500mm,1800MM,2400MM).