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,20W,24W3)corresponding lumen:385,495,605,715,915,1098,1220,1464LM4)optional tube diameter:7m,9m,12m5)optional voltage:110-130v or 220-240v6)RA>807)colour temp.:2700-7000k8)lifespan:8000-10000hr9) ...