The Optoma EH334 is a bright 3,600 lumens 1080p projector optimized for small-to-medium rooms, such as classrooms, meeting rooms and training labs.Its brightness and 20,000:1 contrast ratio produces incredibly 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 1.1 x zoom delivers robust installation options while wall color adjustment optimizes brightness for projection onto varying color surfaces with the Optoma EH334. 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 EH334 include 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.