... life span 4. easy and quick assembly Energy saving 10W T8 LED Tube 1) Products with 204 pcs SMD led2) Products in high energy ... fluorescent lamp working 24Hours should 48*24=1152WH ,But 1*20Watt T8 tube equal with , just in 480WH . Working one year , can saving ... span:50000Hours and power factor at >0.957)enviromentally friendly , LED tube no mercury and Lead , But the fluorescent lamp have . Products ...