... .ISO9001,CE,ROHS,UL,GS cetified product details:1)name:(YH XZ-LT) lutos energy saving lamp2)wattage:3W-200W3)corresponding ... lumen:150-13400LM4)optional tube diameter:7mm,9mm,12mm,14.5mm,17mm5)optional voltage:110-130v or 220-240v6)lamp ... )certification:ISO9001:2000,EC,ROHS,UL,GS11)different specification available (YH XZ-UHS) U and half spiral energy saving lamp