... ,Energy Saving Lamp 2,Best quality. up to 10000 hous lifespan. 3,UL, CUL, FCC, CE, SAA approved. Energy Saving Lamp Features:More ... -105WOperating voltage: 110 to 130V or 220 to 240VFrequency: 50/60HzAverage lifetime: 6000hrs/8000 hrs/10000hrs availableOptional base: E27/B22/E14Optional Color Temperature ... etc.Certification: Energy Star, UL, CUL, FCC, CE, SAA High Quality Energy saving lamp E27 9w