ViewSonic PJD5533W WXGA 3D DLP Home Theater Projector Screen Size Range: 76-inches from 8 feet; 113-inches from 12 feet Brightness: 3000 Lumens Contrast Ratio: 15,000:1, Keystone Correction: Vertical +/- 40 Warranty: 3 Years parts & labor, 1 year lamp and 1 year free express exchange*; Lamp Life: up to 10,000 hrs HDMI, S-Video, VGA x2, Composite Video, 3.5mm Audio, RS-232, Mini USB 0.65" Digital Micromirror Device (DLP) WXGA 1200x800 native 1.1X manual optical zoom / manual optical focus 15,000:1 (w/ DynamicEco) contrast ratio