This 8K HDMI 4x1 Switcher can switch any of 4 HDMI sources to 1 HDMI display. It supports video resolution up to 8K@60Hz 4:2:0, 48Gbps video bandwidth. It is suitable for outdoor display, video conference, security monitoring, home theater and other applications. By using this HDMI 8K switcher, you are allowed to connect from four HDMI INPUT ports to four HDMI source devices via an individual HDMI cable, then connect from HDMI OUTPUT port to your external monitor (such as HDMI projector, HDMI TV or HDMI ordinary display). You can switch between four sources by pressing the switch button on the front panel of the switcher. Please pay attention that this switcher is not a bi-directional switcher, you can only use from four sources to one display (only 4 in 1 out, not 1 in 4 out). It can work well with xbox or PS5 to achieve 4K@120hz on your TVs or relative monitors.