... -4,500K,Pure White:6,000-7,000K Cool White:8,000-10,000KWorking Life> 50,000 HrsLight Body & Lampshade MaterialAluminum ... / 50/60 HzWorking Voltage12V / 24V DCLighting Angle120Total Harmonic Distortion (THD)8%Working Temperature- 40 - + 50 CStorage Temperature0 - 50 CWorking Humidity10 % ~ 90 % RHJunction ...