Dual Monitor Kvm Switch HDMI The 2 computer 2 monitor kvm switch allow you to control 2 PCs by only one set of keyboard & mouse,share 4 USB devices and 2 monitors(Extend display mode or copy display mode). Please note that the extended mode can output two different screens, and the copy mode can output two identical screens. HD 4K@60Hz Kvm Dual MonitorThe dual-monitor kvm switch supports maximum resolution of 3840x2160@60Hz and compatible downwards, Note: if you need a 4K resolution , please use version 2.0 HDMI cable and make sure your computers and monitors support 4K