【KVM Switch 2 Monitors 4 Computers】This 4 PC 2 monitor KVM switch allow you to control 4 computers or laptops by only one set of wired or wireless keyboard mouse, share 4 USB 3.0 devices and 2 monitors. It is widely applied for office, multimedia teaching, meeting room, etc. Unstable display is usually caused by the HDMI cable. Replacing the good quality cable that supports 8K or 4K@144Hz can solve the problem of white screen, black screen or flickering screen. | 【Ultra HD 8K@60Hz/4K@144Hz 】USB 3.0 Dual Monitor KVM switch HDMI support resolution 8𝐊@𝟔𝟎𝐇𝐳,4𝐊@𝟏𝟐𝟎𝐇𝐳/@𝟏𝟒𝟒𝐇𝐳. 2 monitors 4 computers switch aslo support input terminal to connect 2 computers with different resolutions, e.g. one is 4K@60Hz, the other is 4K@30Hz, 1440P@60Hz, 3D,1080P@60Hz or lower resolution. Note: please use HDMI 2.0 cable ( cable length not exceed 1.5m) if your device output 8K resolution, and make sure your computers and monitors are all support 8K also. | 【HDMI KVM Switch with 4 USB 3.0 Ports】USB 3.0 KVM switches come with 4 USB 3.0 ports for sharing USB devices, such as mouse, keybaord, scanners, printers, U disks and other USB devices, USB 3.0 version ensure data transfer more faster and stable, it's a great solution to solve many USB device disconnected issue during use. | 【Dual Monitor KVM Switch Support 2 Switching Mode】HDMI KVM switch dual monitor support physical button and wired control. You can press the button on the panel or use the wired remote to switch the computers. LED light indicates which computer is active. Note: Keyboard short cuts (hotkeys) switch way not supported. | 【Two display modes】KVM switch dual monitor hdmi support extend display mode or copy display mode, when in "mirror" mode the main screen can be copied to the second screen output two identical screen. When in "Extend" mode, the window from the main screen can be dragged to the second screen output two different screens.