Sharing Switches: HDMI USB KVM Switch can share 1 HD 4K monitor and 3 USB 2.0 devices such as scanner mouse keyboard between 2 computers. Two Switching Modes: By panel button and external controller, freely switch between 2 computers, increasing productivity in office or home. HD 4K Visual Enjoyment: The KVM switch including 2 KVM Cable, HDMI cable and USB cable are 2 in 1.The HDMI output can achieve up to 4K (3840x2160) @ 30Hz resolution.The colors are brighter and more moving, which makes a feast for your eyes.