Sabrent DA-UCDH is a USB Type-C to Dual HDMI adapter that enables you to connect two HDMI monitors to your computer. It supports resolutions up to 3840 x 2160 at 30Hz and is compatible with Windows 7 or higher. The adapter supports both SST (single-stream transport) and MST (multi-stream transport) modes. In SST mode, both monitors will display the same content. In MST mode, you can use the monitors independently and set different resolutions and refresh rates.