XM-G0404, HDMI Matrix with RS232, routes 4 HDMI sources to 4 HDMI displays (projectors, monitors). It allows you to demonstrate the same image from one video source to all monitors or images from different video sources to different monitors. Multi-controlled functions include front panel buttons with LED indicators and buzzer sound confirmation, IR Remote, and serial GUI control allowing you to operate the system easily and effortlessly. In this way, it utterly discards the need to frequently move around video input and output cables.