Features: 1) Base type: MR-16 2) Input voltage: AC/DC 12V 3) Full range of colors: white, warm white 4) Superior thermal management with internal copper heat conductor and external aluminum housing 5) Light source: Cree 3W LED 6) Luminous flux: 141 lumens 7) Beam angle: 50/80/100 degrees (glass lens optical grade) 8) Body temperature: less than 53 degree Celsius 9) Led working temperature: 50-62 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 Applications: Replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters, where UV or IR radiation is undesirable