11.15 x 11.25 projection stage. Manufacturers 5-year limited parts and labor warranty. See Product Details chart for more information. Apollo(r) 4000 overhead projector is ideal for larger-sized rooms. It features 4000 lumens, 3-element lens, hi-lamp switch which extends lamp life, and its lamp changer switch prevents burn-out delays. More details about product Apollo(r) 4000 Lumens Overhead Projector
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