1. Base type: E27 2. Power: 21W 3. Light source: 7x3W Cree Power LED 4. Beam Angle: 30Degree or 60 Degree 5. Operating life: 50, 000 Hours 6. Input Voltage: 12V AC/DC, 24V AC/DC, 100V-260V AC 7. LED light surface temperature: Less than 60degree 8. Temperature: Less than 45 degree 9. Material: Aluminum Housing (good heat sink) 10. No ultraviolet (UV) or infrared (IR) in beam 11. Color: Cool white (6000-6500K) Application: Museums, art galleries, cosmetic counters, Cabinet, coffee hall, restaurant, exhibition show, arts show, jewelry store, fashion show etc.