The Vivitek D935VX XGA 1024x768 projector is a high brightness unit ideal for large classroom and conference room settings. The D935VX with .55-inch 1-chip DMD display technology and 3,000 lumen image brightness coupled with VividWheel III color and Texas Instruments DLP technology, and 2400:1 contrast ratio come together to create an absolutely gorgeous image. The brightness factor allows the presenter to engage the audience in a room with ambient light without compromising the image quality of their presentation. The D935VX has two RGB, composite video RCA, S-Video, Audio RCA, Audio mini-jack and HDMI inputs. Maintenance is a breeze with the D935VX. The projector has a sealed pure metal optics engine to keep dust out requiring no filters to keep the engine running in optimal condition and lamp replacement is extremely user friendly, with a simple, sliding door on the top of the unit. Projector ships with AC Power Cord, VGA-to-VGA cable, CD User Manual, Full Feature IR Remote with Laser Pointer and Mouse, Remote Batteries Lens Cap and Carrying Case.