HDMI-compatible Switch: The HDMI-compatible switcher allow you to connect two HDMI-compatible source to one HDMI-compatible display. 8K HDMI 2.1 switch: Support 8K@60Hz, 4K@120Hz, resolution, provide you with transfer rates up to 48Gbps and backward compatible with all previous HDMI-compatible standards.(You need connect standard HDMI-compatible 2.1 cable to enjoy visual effects) Plug and Play: External power required, the HDMI-compatible selector box is easy to setup and operate. Simply press the button to swap signal within one second and the indicator lights show the working status.