1. Voltage: AC85-277V; 2. LED Number: 60pcs; 3. Luminous Flux: 1000-1200LM; 4. LED Viewing Angle: 360 degree; 5. C.T.: 2800K-3000K, 3800K-4200K, 6000-6500K, 8000K; 6. Efficiency ( Lm/ W) : 90± 5LM/ W; 7. Power Efficiency: 85% ; 8. Power Factor: e0.9; 9. Working Temperature: -20 ~ 70 degree; 10. Warranty: 3 years.