Remarks!!! 1)To support dual display, your pc's video card must be capable of supporting 2 video out simutaneously. 2)to use the extended and spliced display function, your video card must be capable of doing so as the dual monitor KVM Switch display only what was connected to the input.It is a bypass swicth and it can not processing those function by itself. 3)This is a KVM dual monitor switch, it is not a 4X2 HDMI KVM Matrix. 4)Like many other KVM Switch, those dual display kvm switch has limited compability with Mechanic and wireless keyboards and mouses. Standard 104-key wired USB keyboard, standard 2 or 3 button wired USB mouse are recommended. 5)All features is subject to the capability of your video card. 6)These KVM Switch supports 4K 60Hz at max. pls do not set any referesh.
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