... ), 110-230V, 2700K/4000K/6500K, 8000H high quality. half spiral energy saving lamp:Power: 9W, 11W, 13W, ... 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 ... CE&EMC, RoHS and ISO9001 certifications. half spiral energy saving lamp