KVM Switch 2 monitors 4 computers Meet All Your Needs you can control and switch 4 computers freely with just one set of keyboard and Mouse , and share on 2 HDMI monitors ( only available on hosts that support dual display) , which will allows your office ,TV and games needs,etc freely switch. Note: The monitor needs to be set to Extended Display Mode or Duplicate Display Mode. The extended mode can output two different screens, while the duplicate mode can output two identical screens. 4K@60HZ Ultra HD Resolution Gives You a More Realistic Animation Experience Our switcher can output HD video signals with a resolution of up to 3840*2160@60Hz and maximum data rate18Gbps, allowing for the animation clearer, more detailed and more reproducible. Whether you're working or entertainment, you'll be perfectly satisfied. Note: The final resolution also depends on the graphics card, monitor, cable and adapter.