Acer X128HP 4000lm XGA 1024×768 DLP 3D Projector, 4000 hour normal mode Lamp life, 1.07 Billion colors (30-bit), 1920×1200 Maximum Resolution, 4:3 native Aspect Ratio, 1:1.1 Zoom ratio, 20 000:1 contrast ratio, 80% uniformity, 3W Speaker Output power, HDMI, Composite Video, VGA in, Audio line in