The Astrotek USB-C Female to DisplayPort Female Adapter allow your device to output video FROM a USB-C or Thunderbolt 3 port to an DisplayPort display by connecting to a USB-C 3.1 cable. Support resolutions up to 4K.

This Adapter must use USB 3.1 Gen. 2 Cable(support DP Alt Mode 4K resolution) or Thunderbolt3 cable to make it work.

PAY ATTENTION TO THE LIMITATION: This product DOES NOT support video output from DisplayPort port to an external display.

That means you can’t output video from your laptop or other devices with standard DisplayPort port to a display or monitor with any type of video input ports.