NOTE: You need to use a standard DP1.4 cable to connect this displayport switch box to work properly, otherwise it will flicker or the screen will turn black; Two displays CANNOT display simultaneously; While connecting to Source or Display, you must use the usb cable to power the displayport switch, or your source / display will not show anything; Do not use too long cable(total 3m) for connection between the displayport switcher and your devices High Resolution; Angusplay display port switch box supports 8K 30HZ, 4K 120Hz, 1080P 240Hz, 3D resolution and HD audio, the DP switcher will brings you a luxurious and wonderful audio-visual experience Plug and Play; External power required, the DP switch box is easy to setup and operate; Note: While using, press "select" Button to switch signal between two sources or displays, the indicator lights show the working status; Two displays CANNOT display simultaneously High Speed; This DP switch provides bandwidth data transmission up to 32.4Gbps After Sales Service; 18 Month worry-free warranty, Support 24 hr dedicated email customer support DP to 2 DP Bi-direction high speed 32.4Gbps 8K 4K DisplayPort Switch 1.4 Key features: →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) →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) →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. Two Modes →Mode one One PC connects two displays Note: 2 displays can not be displayed at the same time →Mode two(Switch) Two PC connects to a single display Note: 1.Switch one PC, display shows one PC content; 2.Switch other PC, display shows the other PC content 3.One PC is 8K and the other is 4K, then the display is only 4K, means the display depends on the lower one.