It is folding type Overhead Projector which folds in seconds to carry comfortably in a moulded luggage carrying case. Smooth effortless focussing with 3 element high definition vari-focus lens, picture sharpness compensator guarantees a brilliant picture with resolution and optimum contrast. It is provided with twin 24V-250W Halogen Bulbs. Even if one Lamp fails, the twin lamp switch over facility enables you to change the lamp instantly. The mini Turbo cooling fan protects the projector mechanism without disturbing the audience. It is also provided with a thermal cut out to protect mirrors, lamps and lenses. Fresnel lens A4 Size (285x285mm), hard coated and scratch resistant is provided. Supplied in moulded luggage carrying case.