BenQ Short Throw MX812ST 3500 Lumen Short Throw DLP Projector Super definition for small to medium-sized space Exclusive Aspherical Lens Design for the Ultimate Short-throw Projection Stereoscopic 3D Ready Projection LAN Display and USB Display PC-Less Presentation with USB drivehdmi port Super definition for small to medium-sized space Exclusive Aspherical Lens Design for the Ultimate Short-throw Projection Stereoscopic 3D Ready Projection LAN Display and USB Display PC-Less Presentation with USB drive 20W Microphone Audio Power Multi-Function Connectors LAN Control Centralized Projector Management