... of U.S.2.Meterial : Aluminum pull lamp body , oxide coating on the surface3. High efficiency isolation power supply4. The lampshade adopts ... ,factories,markets,wineshops,banks,park and other places Technical Parameter lamp power(w)10/15/20power efficiency0.75/0.80/0 ... can offer CE,ROHS,UL,FCC and PSE approves . 10w high brightness T8 LED Tube Light