input voltage: 110/220V rated power: 4W to 11W, to replace the traditional 40-100W ordinary incandescent bulbs, or 11-20W energy-saving lamps. Color temperature: 2700K to 6500K optional life: more than 50,000 hours, the maintenance of Optical rate> 70% of the applications: the family of alternative energy-saving lamp down light: the same intensity, highly efficient energy-saving 90% by 4W alternative 40W incandescent bulbs general terms, the work of the year Day 300 days, 12 hours a day working hours, a single light bulb in to save electricity 129.6 degrees. SuperCore company's patent technology to ensure high-quality products, low-cost