1. Input Voltage:110-240V AC/50/60Hz 2. Output current:DC350-700mA 3. Power: 3*1W 3*3W 4. Size: 3*1W Dia90mm H51mm 3*3W Dia90mm H76mm 5. Installation Dia:77mm 6. Beam angle: 15/30 degree 7. Color: Red Green Blue White Warm-white Yellow 8. C/T:2000K-8500K 9. Life time: 1-3W/50 thousand hours 10. Ambient temperature: -20degree Celsius--+50degree Celsius