For powerful presentation capabilities, this Overhead Projector can brighten up any small room. The 2000-lumen output creates perfect lighting for classrooms and small-capacity meeting spaces up to 20 people. Closed-head lens keeps dust and dirt out for a more pristine image. Built-in grips allow easier setup and transporting. Tabletop projector features a high-efficiency cooling system and thermal-shutoff safety switch for enhanced protection. Quickly change lamp using lamp changer (included) by flipping the switch. High/low lamp control extends lamp life. Kensington Security Slot Locks prevent theft.