Fangrui Product Details 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. (two Displays Cannot Display Simultaneously,selectbutton To Switch Between Two Displays.)(while Connecting To Source Or Display,you Must Use The Usb Cable To Power The Splitter,or Your Display Can Not Show Anything).do Not Use Too Long Cable(total 3meter) For Connection Between The Switcher And Your Devices. 16k Dp 1.4 Splitter: Support 8k@120hz,4k@240hz,1080p@240hz Resolution, Provide You With Fer Rates Up To 40gbps And Backward Compatible With All Previous Dp Standards. (you Need Connect Standard Dp 16k Cable To Enjoy Visual Effects.)note:we Recommend That The Wires At Both Ends, That Is, The Sum Of The Input And Output Wires Should Not Exceed 3 Meters. If It Exceeds 3 Meters, The Signal May Be Shielded. 16k Dp Switch: Support 8k@120hz,4k@240hz,1080p@240hz Resolution, Provide You With Fer Rates Up To 40gbps And Backward Compatible With