Technical data - Max . light intensity 50.000 lux@50cm - Adjustable light intensity 25.000-50.000lux - Adjustable diameter of operating surface 9 cm- 50 cm - Colour temperature 5.000 °K - Colour rendering index Ra- 86 - Temperature increase at the height of doctor’s head 0°C - Average life time of a LED 50.000 h - power supply 90-240 V 50/60 Hz - Power consumption 26 W - Light body diameter 12 cm - Weight of coupola and arm 1 kg - Weight of stand 3 kg