Light Source Unit with Forced Air Cooling Facility requires 230 volt, 50 hz 0.2 A input voltage for operation and is available in strong and rigid construction. The Light Source Unit of model number XL-4400 is available with normal/ low/ off type air supply pump and comes with forced air cooling facility. The Light Source Unit has 350 X 130 X 420mm dimension and its weight is 16.0 kg. Light Source Unit with Forced Air Cooling Facility is made of quality grade raw material which ensures optimum durability along with long lasting trouble free service.