1.3U energy saving lamp 2.80% electricity saving 3.Diameter:7mm,9mm,12mm 4.Base:E27, E14, B22 5.Lifetime:6000-10000hr 3U energy saving lamp description:1.Tube Diameter:φ7mm,φ9mm,φ12mm, Power:9W,11W,13W,15W,18W,20W,25W2.Input voltage/Frequency:110-130V /60Hz; 220-240V / 50Hz3.Color Temperature: 2700K-6500K4.Tube powder: Pure tri-phosphor5.Plastic: PBT meterials with fireproofing, PC, PP, etc.6. ...