Detailed Selling Lead Description Features: 1) Base type: E27 2) Input voltage: 85 ~ 240V AC 3) Full range of colors: cool white, warm white, 4) Best thermal management with aluminum housing and copper fittings 5) Light source: 10W high power LED 6) Luminous flux: 400 lumens 7) Beam angle: 50 / 70 / 100 degrees (glass lens optical grade) 8) Body temperature: ≤53°C 9) Led working temperature: ≤62°C 10) Temperature: -40 ~ 70°C 11) Brightness degradation: 3% - 5%1kh 12) Life span: 50,000 hours 13) No UV or IR radiation 14) Application: replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters, where UV or IR radiation is undesirable