Important -1) VESA certified DisplayPort 1.4 and above cable is needed to work with this Switcher. Flickering and signal random disconnections are mainly caused by the poor cable. -2) The max. cable length between in and out shall NOT be more than 5mts. Note -It CANNOT work as a Displayport splitter, the output 1 and 2 can not work simultaneously! You can select the display for the video source between the connected 2 monitors, but the output 1 and 2 can not work simultaneously. This Displayport Switch does not work with VR headsets. Bi-Directional DP Switch?With this bi-directional DP switcher, you can connect up 2 Displayport sources to 1 Display and switch among the video sources. In addition, it can also assign 1 signal source to displays or projectors and you can choose the video source to be displayed any of them(??Note: the 2 outputs cannot work simultaneously). High Resolution/Speed?Supports 8K@30Hz, 4K@120Hz, 2K@144Hz resolutions; supports a maximum of