WUXGA projection with 3600 lumens and 20,000:1 contrast ratio Extensive I/O support with 2xHDMI (with MHL), VGA-in, composite, audio-in, audio-out, USB power and RS-232C Powerful 10 watt speaker enhances presentations and video with crisp and clear sound Flexible installations with 1.1x zoom Optional HDCast Pro enables wireless mirroring and streaming Minimal maintenance with 15,000 hour lamp life The Optoma WU334 is a bright WUXGA projector optimized for small-to-medium rooms, such as classrooms, meeting rooms and training labs. Its bright 3600 lumens and 20,000:1 contrast ratio produces incredible sharp and vivid images, even with moderate room light. Support for sRGB and REC.709 color profiles ensures accurate color reproduction whether the source is PC, Mac or video devices. A 1.1x zoom delivers robust installation options while wall color adjustment optimizes brightness for projection onto varying color surfaces with the Optoma WU334. The powerful internal speaker, driven by 10 watts of power, can fill a room with loud and crisp audio to further enhance media and presentations. Robust input options on the Optoma WU334 include 2 HDMI, VGA and composite for connectivity to a wide range of devices. A 15,000-hour lamp life enables many years of use with minimal maintenance.