Ideal for use in a meeting room or classroom, the DX5100 has a bright 2800 Lumens & 15, 000:1 contrast allowing you to project bright, crystal clear images with superb colors using DLP & Brilliant Color technologies. Incredible lamp life combined with Eco+ technology provides energy & money saving features. Installed or on the move with the included carry bag, the versatile DX5100 incorporates HDMI, built in speaker, Full 3D technology & optional wireless capabilities that are easy to use.