1. Power Factor (PF):> 0.9 2.LED Luminous efficiency: 80lm / w 3. The initial flux 400lm 4. Luminaire efficiency:> 90% 5. The effective beam angle: 80 ° 6. Color-rendering index: Ra> 80 8. Related to color temperature: 2700k-7000k 9. Operating voltage: AC (85-265V) the frequency (50-60Hz) DC (12V24V) 10. Light source life:> 50000Hrs