Special Features:

Operating temperature 41 degrees to 95 degrees f (5 degrees to 35 degrees c), projector 3lcd, 4000 lumens, 2000: 1 contrast, wxga, rs23 and usb port, blackboard mode, wired and wireless networking

Properties:

An optical device designed for projecting data and/or images. it uses a cathode ray tube or an liquid crystal display and an optical system consisting of lens and circuitry to produce an image which can be projected onto a flat or curved screen or wall. it is a self-contained unit that has interface cabilities with computer systems and other video systems. it may be used for rear or front projection.