This is a 4-in 2-out HDMI matrix switch, which can switch 4 HDMI input
signals to 2 HDMI displays as required. It supports up to 4096x2160@60Hz
HDR resolution, with multiple switching methods (IR remote control, buttons,
RS-232) to flexibly match input and output devices. HDMI outputs support
auto down-scaling. Additional audio output is supported through the S/PDIF
port and stereo jack. This device is a reliable, ultra-high-definition video
transmission solution widely used in security monitoring, education and
training, exhibition and broadcasting, command center, and other scenarios.