Featuring WXGA resolution, 4600:1 high contrast and 2500 ANSI lumens, the MX810ST offers a 81" picture in only 1m - broadening learning with an extra 30% of stunning colors and crisp-clear text! With 3-D, interactive whiteboard and LAN/USB display support, the MX810ST is the perfect tool to teach and present in small-sized settings! All BenQ's upcoming projector models come standard-equipped with DLP link-supported 3D projection technology to bring you the same amazing 3D effects you get in 3D movies. Unlike traditional 3D projector systems that require two perfectly aligned projectors with two separate video feeds to deliver 3D projection, BenQ's system requires only one - making it the perfect choice for education and home entertainment use! The MX810ST is built with 20W industry-leading audio power and microphone input to empower your presentation! Two 10W speakers are sealed and secured within each side of the projector with BenQ's anti-shake design to deliver crisp-clear audio quality and projection stability, while the microphone input connects you to conventional and wireless microphones and microphone headsets.