Dual Monitor KVM Switch USB 3.0 HDMI KVM Switch 2 Monitors 3 Computers, EDID Emulator,4K@60Hz 2K@144Hz with 4 USB 3.0 Ports. Item description . Home pick up. Specifications Application Output Input Feature: 1. [Dual Monitor KVM Switch 3 In 2 Out] This Dual Monitor KVM HDMI Switch allows to control 3 computers/latops by 1 set of keyboard & mouse and 2 monitors(Extend display mode or Copy display mode) Note:Press "Window+P",a small window will pop up, in which to choose "Duplicate" Mode or "Extend" Mode. 2. (Ultra HD 4K@60Hz/2K@144Hz] USB 3.0 Dual Monitor KVM switch HDMI support resolution 4K@60Hz,2K@120Hz,@144Hz.3 computers 2 monitors 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: if you need a 4K resolution, please use HDMI 2.0 cable and the lenath of the HDMI cables more short more better, and make sure your computers and monitors support 4K ! 3. [Dual Monitor KVM Switches with 4 USB 3.0 Ports] Dual monitor HDMI USB switch with 4 USB 3.0 ports which can recognize keyboard,mouse.printer,scaner and other USF devices. USB 3.0 offers data transfer speeds of up to 5C while USB 2.0 offers data transfer speeds of only 480Mbps Note:If the input USB3.0 ports are not connected to the or connected incorrectly, the output USB device will no recognized. > Report TV.PC,Display HDMI USB,HDMI