... Lifetime:6000hrs,8000hrs,10000hrs 3U energy saving lamp description:1.Tube Diameter:φ7mm,φ9mm,φ12mm, Power:9W,11W,13W,15W, ... 110-130V /60Hz; 220-240V / 50Hz3.Color Temperature: 2700K-6500K4.Tube powder: Pure tri-phosphor5.Plastic: PBT meterials with fireproofing, PC ... 80% energy saving3) With tri-phosphor powder of light tube4) High lumens, good light maintenance5) With PBT plastic which is fire-proofed ...