1.Experienced energy saving lamp manufacturer 2.Wattage:7-30w 3.Voltage:110-130v,220-240v 4.ISO9001,CE,ROHS, ... CQC product details:1)name:(YH XZ-3U) 3U energy saving lamp2)wattage:7w,9w,11w,13w,15w,18W ... :2000,EC,ROHS,UL,GS10)different specification available (YH XZ-3U-24W) 3U energy saving lamp