... than 58 o C 3. Color Temperature: 2700-9000 K (Optional) 4. Color Rendering Index: 80Ra (at 6000K ... .9 6. Brightness Decay: 3%-5% at 1000 hours 7. Luminous Efficiency: >80lm/W 8. Protection Rate: IP54 ... lights, LED light bulbs, LED Flexible Pipe Light, LED tube lights, LED Linear Light, LED table light, LED ceiling light, LED wall light, LED projector lamp, LED machine light, LED underground light, LED ...