This 4K HDMI Matrix Switch from Black Box routes 4 HDMI sources to 2 HDMI displays. Multi-controlled functions include front-panel buttons with LED indicators, IR remote, and serial control, allowing you to operate the system easily. The 4K HDMI switch can operate in auto mode and priority mode. The system can either automatically select the latest video source for display in auto mode, or automatically select a video source following priority order in priority mode. It also offers EDID copy function to ensure the optimal resolution for your application. The built-in serial interface allows users to control the HDMI Matrix through a PC, serial controller devices, or home theater system, integrating the whole A/V environment.