... 4,500K,Pure White:6,000-7,000K Cool White:8,000-10,000KWorking Life> 50,000 HrsLight Body & ... /60 HzWorking Voltage12V / 24V DCLighting Angle120 ºTotal Harmonic Distortion (THD)8%Working Temperature- 40 - + 50 ° CStorage Temperature0 - 50 ° CWorking Humidity10 % ~ 90 ... and flicker free6. Good color rendering7. Warm and cold color temperature are available8. High shock & vibration resistant9. Ideal heat ...