BenQ MW870UST 3000 Lumens PointDraw Ready Short Throw DLP Projector 3,000 ANSI Lumens; 2,600:1 Contrast Ratio 0.37 Ultra Short Throw, Mic Input,10 Watt Speakers x 2 LAN Control/Display, USB Reader/Display Wireless Display (Optional) PointDraw Interactivity Ready (Optional) Throw ratio : 0:37