... With PF>0.9,Inner and Isolated Power Supply,4ft 12W LED Tube Light T8 1.>1150lm 2.75-80Ra 3. 2700- ... PF>0.9,Inner and Isolated Power Supply,4ft 12W LED Tube Light T8Features:1. Save energy more than 80%2 ... RF Interference, No harsh glare, directly replacement for Traditional Fluorescent tube lamp3. PF>0.9,No flash, drive by isolated ... With PF>0.9,Inner and Isolated Power Supply,4ft 12W LED Tube Light T8