Two Modes: Mode one (Splitter):One PC connects two displays.2 displays can not be displayed at the same time Mode two (Switch):Two PC connects to a single display.Switch one PC, display shows one PC content; Switch other PC, display shows other PC content. Plug and Play: External power required,the DP selector box is easy to setup and operate. Simply press the button to swap signal within one second and the indicator lights show the working status. 8K DP 1.4 Splitter: Support 8K@30Hz,4K@120Hz,1080P@240Hz resolution, provide you with transfer rates up to 32.4Gbps and backward compatible with all previous DP standards. (You need connect standard DP 1.4 cable to enjoy visual effects.). Bi-Direction DP Switch:The DisplayPort switcher allow you to connect two DP source to one DP display or connect one DisplayPort source to toggle between two displays. (IMPORTANT NOTE:Two displays CANNOT display simultaneously). DP DisplayPort 1.4 Bi-Direction Switch MST Hub Support HDCP SST Extended 8K@30hz 4K@60hz.