by 3M
1 used & new from $89.99
(Visit the Best Sellers in Overhead Projectors list for authoritative information on this product's current rank.)
Capture the attention your audience. The feature-rich 3M Overhead Projector Model 1840 looks good in boardrooms and classrooms, too. It comes with an open singlet head, wide-angle lens, and 2, 500 lumens for image optimization. It also packs a convenient lamp changer that easily switches to spare lamp for uninterrupted presentations, practical lamp ejector that makes replacing lamps simple, thermostat that prevents overheating, lamp interrupt that shuts off power to lamp - when changing lamps - to prevent premature lamp failure, convenient fold-down post that makes storing and moving easy, and handy power-cord wrap.
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