... -10mm), 110-230V, 2700K/4000K/6500K, 8000H high quality. half spiral energy saving lamp:Power: 9W, 11W, 13W, 15Wtube diameter: T3(9-10mm ... : 110-130V,220-240VAverage life: 6000/8000/10000 hoursHigh quality with CE&EMC, RoHs approval; 100% tri-color powder, PBT ... plasticThe lamps are with high luminous efficiency, and the light distribution is very equalSaves ...