... driving with current fluctuation less than 1mA. 5.Strict temp control: Temp up at work is below 20 degree. Overheat protection ... will automatically starts if the operating temp is more than 70 degree. 6.Special circuit protection: ... tempWhite(warm/neutral/cool),Select before order.Working Temp. Rise‹ 15°‹ 15°‹ 20°Ambient temp-30 to 40°CCentric illuminance6M≥10Lux 8M≥ ...