This product is either discontinued or we cannot get that from suppliers.
Volans VL-UCDP USB-C to Display Port (4K) Adaptor, Format Converter, Output Signal DisplayPort, Ports-1, Resolutions 1920×1200 or 1080p, Wide Screen Supported, Connector A 1 – USB-C (24 pin) DisplayPort Alt Mode Male Input, Connector B 1 – DisplayPort (20 pin) Female Output, Black Colour, Aluminium Material.
This USB-C to DisplayPort adapter enables you to output DP video and audio from the USB Type-CÂ port on your laptop or other device.