Apollo Overhead Projector, Horizon 2, 2000 Lumen Output, 10" x 10", Closed Head (V16002M) SHARP IMAGE  Closed head keeps dust and dirt from the double fresnel lens, which assures edge-to-edge sharpness and brightness. Has a 2000 lumen light output and 10" x 10" stage glass surface area. LASTING USE  A built-in high-efficiency cooling system prevents overheating. The high/low lamp controls help extend the life of the projector, so you can present more often. DESIGNED FOR SCHOOLS  Weighing just 12 lbs. and with 2 carry grip handles, the projector can be easily moved from classroom to classroom. Store it away when not in use to take up less space. WARRANTY AND FEATURES  Projector has a 2 year warranty. Comes with a lamp changer, locking Kensington Security Slot for theft prevention and thermal shutoff switch for safety. TRANSPARENT FILM COMPATIBLE  Create a dynamic presentation by using transparency sheets. For best results use Apollo Transparency Film, sold separately.