With the HDMI dual monitor KVM switch box, you can control two computers with one set of keyboard and mouse to get a pleasant split screen operation experience. Note: Each computer is required to have two video output ports and supports dual graphics card expansion mode. Support main and under-frequency switching function, double key / remote selection, P13HDMI1310 high-performance core chip, more powerful performance, smooth switching without delay, no distortionSupport 3840 x 2160p 30Hz HD picture quality, with 3D output, fine and realistic picture quality Metal design, metal alloy appearance, stable and interference resistantSupport Windows, Mac, Vista, Linux and other systems. Suitable for HDMI interface output equipment connected to monitor, projector, TV, desktop computer, laptop, video decoder, blue light machine and others. No driver, Plug and Play.