The MS9120S is a single-chip USB screen projector that integrates a USB 2.0 controller and data transceiver module, video DAC and audio-video processing module internally, and supports compressed video transmission. The MS9120S can display or expand the display information of PCS, smart phones and tablets to larger-sized display devices through the USB interface, and supports VGA, HD, Digital Out, CVBS, S-Video and YPbPr video interfaces.