The dependable and durable 3M Overhead Projector Model 1810 offers an open wide-angle singlet lens and 2,700 lumens of light output for vivid images, even in lighted rooms. This value - priced projector combines the smoothness of elegant boardroom styling with rugged classroom functionality at an affordable price, without sacrificing image quality. Features include soothing low-glare stage, convenient fold-down post for easy storage, extra-long power cord for hard-to-reach electrical outlets, and handy power-cord wrap. It also comes with a useful lamp ejector that makes changing lamps a simple task and a thermostat that protects the unit from the unlikely event of overheating. A global leader in overhead projectors, 3M provides a five-year warranty on all parts and labor.