1. Base type: MR16 (Bi-pin GU5.3) 2. Power: 4W 3. Light source: 3x3W 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 7. LED light surface temperature: Less than 65 degree 8. Temperature: Less than 45 degree 9. Material: Aluminum Housing (good heat sink) 10. No ultraviolet (UV) or infrared (IR) in beam 11. Color:Red