Technology Parameter: Model: ZLB1-30CG/60CG/90CG 1. LED power: 24/54/72W 2. Rated power: 33/72/91W 3. Luminous Flux: 2156lm/4434lm/5751lm 4. Weight: 9.7/10.1/10.7KGS 5. Input voltage: AC100V 240V, 50Hz/60Hz 6. Power factor: More than 0.9 7. Color temperature: 5000-7000K 8.Color Rendering Index: Above 70 9. Installation pipe diameter: 48mm 10. Protection grade: IP 65 11. Working environment temperature: -25 50 degree 12. Life span: More than 30000H 13. THD:within 15%