Description 1.Voltage:110-130v,220-240v.2.Wattages:5w,7w,9w,11w,13w,15w,18w,20w,etc.3.Base:E27,E40.4.Shape:u/full spiral/half spiral/straight/global/lotus/circular5.Diameter:7mm,9mm,12mm.6.Color rendering index:≥80.7.Color temperature:2700-6000k.8.Lifetime:8000hrs or above.9.Certificate:CE,SASO,SONCAP,ISO9001.10.Power..