Base type: GU10 base Surface finish: chrome Energy-saving and environment-friendly Colors: cool white, warm white, and other color is available Better thermal-dissipation structure Light source: Cree XLAMP XR-E 7090 Luminous flux: 240lm (color temperature: 6200K) Beam angle: 30/45/60 degrees (glass lens, optical grade) Body temperature: less than 53 degree Celsius LED working temperature: less than 62 degree Celsius Temperature: -40 to 70 degree Celsius Brightness degradation: 3 to 5%1kh Lifespan: 50,000 hours No UV or IR radiation Pass 4,000V hi-pot test (4,000V at 1 minute) Pass EMC test Use ceramic socket for better insulation and heat dissipation (instead of PC or ABS socket common on the market) Application: replacement bulbs for general lighting, especially for museums, art galleries, cosmetic