Surgical Exam Lamp LED300Lamp holder modelLED300Illumination(Lux at 1M apart)≥60000Color temperature4300±500kIllumination depth(mm)≥1200Spot diameter (mm)≥90Light column Depth(mm)≥800Color rendering index CRI≥97%Color reproduction index RA≥97%Temperature rise of the surgeon’s head (C )≤1Temperature rise in operating field area ( C)≥2Operating radius (mm )≥2200Working radius (mm)600-1800Power supply voltage220V±22V 50HZ±2HZAverage life of bulb (h)≥80000