LM-TV04 HD 2x2 Video Wall Controller For HD TV VGA HDMI is designed to be a truly in/out modular video wall processor, to capture, AD convert, route, distribute all-format signal to multiple video wall, including LCD TV, DID, DLP, Plasma, etc., while maintaining a true digital signal. LM-TV04 HD 2x2 Video Wall Controller with many different video interfaces, include HDMI, VGA, AV, and it is can decode video(like RMVB),audio(like MP3), Photo(like JPG) by itself through USB interface. each video with audio can be switched together. output HDMI interface, resolution is 1080P or 720P or 1024*768, choosed by user. LM-TV04 HD 2x2 Video Wall controller can be controlled by remote, button and RS232.