Professional-quality projector offers increased performance and special features to make scaling artwork and designs fast and easy! Generous 7x7" glass covered copy area makes for easy placement of large copy, books or small 3-D objects. Magnetic latches and arching spring clips keep copy securely in place. Dual channel cooling system and safety thermal overload circuit protect copy and projector from overheating. Specially designed for projecting a wide assortment of originals like patterns, sketches and line drawings. Reversible to achieve a wide projection range from 80% reduction to 20 times enlargement in full color. Includes two 250-watt bulbs that provide 500 watts of photo-quality lighting for a whiter, brighter image.