Features:  HDMI2.0 4 ports KVM switch; 4 groups of high-definition video source and USB interface realize freely switch.  Share your monitor, keyboard, and mouse between your home desktop and work laptop. Saved you a lot of money and space, not having to buy more monitors and keyboards.  8 ports KVM switch for 8 computers, support resolution up to 4K@30Hz, not support 4K@60Hz, of course, it also supports 3D and 1080P or lower resolution.  It can recognize USB devices, such as Hub, hard driver, printer, scanner, etc. Also compatible with wireless keyboard and mouse.  The equipment has excellent image processing and transmission capacity, make the output signal is more smooth and steady, is a reliable.     Specification:  Item name: KVM Switch.  Standard: USB2.0.  Interface: Type-C.  Material: Metal.  Color: Black.  Size: 205 x 77 x 28mm.  Video resolution: 3840X2160@30Hz.     Note:  There might be little error of size for manual measurement.  The colors deviation might differ due to different monitor settings, please kindly understand.     Package Included:  1 x KVM Switcher.  1 x User Manual