KVM Switch Dual Monitor HDMI 2 Port This Dual Monitor KVM switcher 2 monitors 2 computers 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. Ultra HD 4K@30Hz2 port HDMI KVM switch dual monitor support input of different resolutions, such as 4K@30Hz, 1440P@60HZ, 3D and 1080P@60HZ or lower resolution. Note: if you need a 4K resolution, please use version 2.0 HDMI cable and make sure your computers and monitors support 4K! KVM Switch with 4 USB 2.0 Ports Dual monitors HDMI USB switcher with standard USB 2.0 port which can recognize wired/wireless keyboard mouse USB hard drive printer or other USB devices.please note that this KVM switcher not compatible with HD Webcam and macbook pro well,so we don't recomand connect to our product. Great Compatibility &