The ViewSonic PJD5123 is a high-performance SVGA 800x600 DLP projector with 2700 ANSI lumens and 3000:1 contrast ratio. With new slim design at only 3.2 inches high, makes it ideal to move from room to room on the campus or throughout the office. This projector offers a variety of hardware and software features including multiple PC and video input options, 1.1x manual optical zoom, auto vertical keystone correction, 120Hz/3D-ready, support HD video signal and integrated speaker. Filter-less design and energy-saving Eco-mode provide for easy maintenance and longer product life. The PJD5123 lightweight design is ideal for tabletop use or ceiling mounting in both classrooms and corporate offices.