Streamlined body finished in various pastel colors. Folding type Overhead Projector with folding type Projection head, focusing by Rack-n-Pinion. Illumination 600/650W – 220V AC or 24V – 250W halogen bulbs on step-down transformer with solid state control Light intensity and cooling system to projector overheating self lubricating type motor, the stage temperature is maintained at 45°C approx. Interlocked with switch for lamp protection against voltage surges. Writing surface 250 x 250mm or 285 x 285mm.