E27-10W-W: Power LED Bulbs 01) Base type: E27 base 02) Energy-saving and environment-friendly 03) Colors: Cool white, warm white 04) Unique structure with excellent ventilation scheme to dissipate the heat inside and efficiently. 05) Light source: Equipped with Cree X-lamp MC-E multi-chip LED. 06) Luminous flux: Four times the luminous flux of CREE XR-E lamp, up to 700lm/10W. (color temperature: 6600K) 07) Beam angle: 50 / 70 / 100 degrees (glass lens, optical grade) 08) Body temperature: Less than 53 degrees Celsius 09) LED working temperature: Less than 62 degrees Celsius 10) Temperature: -40 ~ 70 degrees Celsius 11) Brightness degradation: 3% - 5%1kh 12) Lifespan: 50, 000 hours 13) No UV or IR radiation 14)Custom-made driver to match the MC-E LED characteristics, enhancing the lifetime and light output. 15) Different coating color available. Application: Replacement bulbs for general lighting, especially for museums, art galleries, cosmetic counters where UV or IR radiation is undesirable.