Features: 1) Base type: GU10 2) Input voltage: 85 -265V AC 3) Full range of colors: white, warm white 4) Superior thermal management with internal copper heat conductor and external aluminum housing 5) Light source: 7*1W high power LED 6) Luminous flux: 400-450 lumens 7) Beam angle: 50/80/100 degrees (glass lens optical grade) 8) Body temperature: less than 53 degree Celsius 9) Led working temperature: less than 62 degree Celsius 10) Temperature: -40 - 70 degree Celsius 11) Working current: 350ma 12) Brightness degradation: 3% - 5%1kh 13) Life span: 50,000 hours 14) No UV or IR radiation 15) Net weight: 300g 16) Total length: 82mm Applications: Replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters, where UV or IR radiation is undesirable