we are offering double domes operating lamp 600/600mm. ceiling mounted halogen bulb lighting intensity of 70000-140000lux * 2 move smoothly and position good excellent focusing and cold light effect type : operating reflecto lamps brand name : medjen model number : mjn600.600 spot diameter (mm) : 150-350 life span : 1000 hours multi- mirror : more than 4000 mirrors.