1. Lamp Source: NSL-DP (Rectangular) 2. Main Frequency: 230kHz 3. Power: 120w/150w/200w/250w 4. Voltage:110V/ 220V/90V-305V 5. Die-casting Aluminum Body + High-pure aluminum oxide secondary reflector + 5mm toughened glass. 6. Power Factor > 0.99 7. Luminous Efficacy: 80Lm/w 8. Luminous Depreciation < 0.05 within 2000hrs 9. CCT: 2700K-6500K, CRI>85 10. Protection Grade: IP65 11. Net Weight:12kg 12. Size: 530x530x260mm 13. Working temperature: -40℃~50℃ 14. Lifespan: 100000hrs , 5 years guarantee 15. No flicker, no glare; Instant on and off