1、2 Modes: Simultaneous screen Transfer (SST) and Multi screen Transfer (MST) DisplayPort 8K distributor. With this DP allocator, two screens can be displayed simultaneously. In SST mode, the two screens display the same content, In MST mode, the two screens display different contents. Please select Copy (SST) or Extend Mode (MST) on your computer due to system limitations, the MST mode of the for OS X can be extended to only one screen. 2、USB Power Supply: This DisplayPort Splitter allows you to connect from a DP source to a DP monitor and an HD Multimedia Interface monitor. 1 in 2 out (both monitors can be displayed at the same time). You must use a USB cable to power the dispenser. Otherwise your monitor won't display anything, not a two way switch, it won't work from a DP source and HD Multimedia Interface source to a DP display. 3、High Speed Transmission: Super 8K video transmission, this Displayport 8K switcher has a 34 Gbps transfer rate in the Displayport channel and 46 Gbps transfer rate in the HD Multimedia Interface channel. Separators can support resolutions up to 8K at 60Hz and 4k at 120Hz. If you want to achieve 8K or 4K at 120Hz effect. Please use HD Multimedia Interface or DP standard cable (support 8K or above 4K at 120Hz). 4、Connection: Connect the DisplayPort cable from the "DP Source" to your DisplayPort desktop or other DP device, connect "HD Multimedia Interface Display" and "DP Display", your HD Multimedia Interface or DP monitor via separate HD Multimedia Interface and DP cables (not included in this DP distributor package). Connect the USB cable to your USB device to power the distributor. 5、Application: Audio and video synchronization, DP 4 1 in 2 out distributor, to help you have ultra HD visual experience. With a 3 USB C port, DP and HD Multimedia Interface outputs are only 4K. In MST expansion mode, the output of a single port can reach 8K, while the output of two ports can only reach 4K. Two working modes, widely used in home theater, study, work, entertainment and other occasions. 1 x Displayport 8K Splitter  1 x USB Cable Item Type: Displayport 8K SplitterMaterial: Aluminum AlloyResolution: 8K at 60Hz, 4K at 120HzInterface: DP to HD Multimedia Interface+DP