This dual monitor KVM -Compatibleswitch allows control of 3 computers via 1 set of keyboard and mouse and 2 monitors/pull offline (extended display mode or duplicate display mode) USB 3.0 dual monitor KVM switch -Compatible supports resolutions@,@,@; 3 computers and 2 monitor switches, and also supports input terminals to connect 2 computers with different resolutions, for example, one is 4K@60Hz, the other is 4K@30Hz ,1440P@60Hz,3D,1080P@60Hz or lower resolution. Dual monitor -Compatible USB switch with 4 USB 3.0 ports recognizes keyboard, mouse, printer, scanner and other USB devices. USB 3.0 offers data transfer speeds of up to 5Gbps, while USB 2.0 has a data transfer speed of only 480Mbps. Note: If the input USB3.0 port is not connected to the KVM or is connected incorrectly, the output USB device not be recognized. The USB3.0 -Compatible KVM switch can emulate the EDID of the display, storing the display's resolution and refresh rate. How EDID works ① Lock screen, when you switch