The View Sonic PJD5123 is a high-performance SVGA 800 x 600 DLP projector with 2700 ANSI lumens & 3000:1 contrast ratio. With slim design, makes it absolutely ideal to move from room to room on the campus or throughout the office. This projector offers a variety of hardware & software features including multiple PC & video input options, 1.1x manual optical zoom, auto vertical keystone correction, 120 Hz/3D-ready, support HD video signal & integrated speaker. Filter-less design & energy-saving eco-mode provide for easy maintenance & longer product life. The PJD5123 lightweight design is ideal for tabletop use or ceiling mounting in both classrooms & corporate offices.