FL800D LED surgical light Details： Luminance  160,000/120,000Lx Light source LED Color--temperature 4500k Color rendering index          Ra95 for all linearly dimming      R9 90 R13 92 Germany arms 360degree rotation Spot diameter      130-350mm Illumination-ajusting range 10-100% Light adjusting mode 10 grades dimmer systerm Light adjust mode Manual Ultraviolet light irradiance within 40nm wave length 0.002W/m2 Watts output light 128Watts pure led power all linearly dimmable Service life of lamp >60.000 hours on full power Weight 130Kg Lowest height installation 280mm Voltage 110/220V