1.magnetic ballast for T8 FL15-36W 2.220-240V/50,60HZ 3.100% Copper, ... (L*H*W):130mm*32mm*40mmtw:130Specifications:1.Wattage:15W,18W,20W,30W,36W,40W2.Voltage:220V,230V,240V3.Frequency: 50HZ ... steel5.Certificate:CE,TUV.6.Qualified sample available.Quality& Approval: T8 magnetic ballast 18W