We are offering double domes operating lamp 700/500mm. Ceiling mounted halogen bulb lighting intensity of 80000-160000lux , 60000 -120000 lux move smoothly and position good excellent focusing and cold light effect type : operating reflecto lamps brand name : medjen model number : mjn700.500 spot diameter (mm) : 150-350 life span : 1000 hours multi- mirror : more than 4000 mirrors.