Dome diameter 1. The operating light with unique lighting collecting technology, improve the light efficiency, multi-patch super position to generate a uniform surgical light beam. 2. Each LED module with Germany Osram LED bulb. The lamp head has a very low failure rate, 3. Lightweight high-quality balance arm suspension system (imported arm optional), 340 degree all-round design, can meet the needs of various heights and angles during surgery. 4. Led bulb lifetime over 60, 000h. 5. With perfect cold light effect and humanized interface design, it is an ideal surgical light for purification and operating room needs. 6. This led operating light handle is easy to clean and disinfect, with endoscopy mode.