Total Power (W) 60 Luminous Output (lm) 4800 5100 5400 Luminous Efficacy (lm/W) 80 85 90 Color warm white natural white cool white Color Temp (CCT) 2700K~3300K 4000K~4500K 6000K~6500K Color Rendering Index (Ra) ¡Ý72 ¡Ý72 ¡Ý63 Voltage/Frequency 100-240V AC / 50/60 Hz Power Factor ¡Ý0.9 Life Span 50,000 hrs Operation Temperature -20¡ãC ~ +45¡ãC Storage Temperature -25¡ãC ~ +55¡ãC Use Indoor IP Rating IP20 Dimmable NO Certification CE RoHS Yes Housing Material ALUMINUM Diffuser Material plastic PMMA Product Dimension 595mmX595mmX95mm Product Weight (kg) 4kg.