Vivitek Qumi Q4 500 Lumen WXGA HD 720p HDMI 3D-Ready Pocket DLP Projector (Black) Native WXGA native resolution, HD 720p compatible resolution Up to 500 lumens of brightness and 30,000:1 contrast Estimated 30,000 hours of operation MHL device compatibility for streaming of video and audio content from a compatible mobile device Connectivity options include: HDMI, Universal I/O for VGA, AV-In (Composite and audio input), Audio-out