... specification 1.Light source:high-power good chips from Puri of U.S.2.Meterial : Aluminum pull lamp body , ... oxide coating on the surface3. High efficiency isolation power supply4. The ... ,wineshops,banks,park and other places Technical Parameter lamp power(w)10/15/20power efficiency0.75/0. ... ROHS,UL,FCC and PSE approves . 10w high brightness T8 LED Tube Light