... 90% energy 4.can get free samples 5.t8 fluorescent tube light can replace 30W Name t8 fluorescent tube Power consumption 22W, Input Voltage AC120VAC230V Frequency 0 ... Less lumen loss and better illuminating effect.5Stable and Efficient LED Driver(Efficiency>=85%),with PFC solution(PF>0.92).6Dust ... . Applications: Offices,factories,shouping mall,school,airports,metrohousehold,,etc t8 fluorescent tube