1) Intelligent lighting compensation • Gives more comfort to surgeons during operation. • Greatly reduces the impact of the surgeon's head on the lighting of surgical field. 2) Customized surgery modes Surgeons can reset the parameters convenient for their own operation, save it to call whenever the surgery requires. 3) Unique endoscopic lighting OLM9680 uses a unique green light source during endoscopic surgery. Enhances the sensitivity of human eyes to light under dark vision. Reduces glare and optical illusion. 4) Wide adjustable range of spot diameter Spot diameter 160-500mm, except for general surgeries, it also meets the requirements of large area debridement surgery. 5) Excellent deep cavity lighting Excellent deep cavity lighting ensures the best field illumination for deep cavity surgery. 6) Superior color rendering index Color rendering index 98%, which helps the surgeons to distinguish the color and layer of tissues clearly and accurately. 7) Adjustable color temperature Color temperature 3000-5700K, the optimal color temperature can be adjusted according to different surgical sites to achieve the ideal contrast. Doctors can distinguish the subtle differences of different tissues.