Double dome Standard steel led light provide Excellent cold light , without temperature rising. Flexible and stable balance arm suspension system contents various requirement on height and angle..Light head suitable for laminar flow. Depth of Illumination is not less than 100-120 cm & illumination adjustment 30% to 100%. Excellent daylight quality and CRI meet the illumination needs of the doctors. Temperature rise at the surgeon head level is less than 2 degree C. Adopt the new LED chip as cold light source, greatly improve doctor working environment and efficiency.