In this screen, you can set some final, optional settings.

DescriptionAn optional description of the device to help you identify it.
Swap inbound and outbound dataSwaps around data reported from the device. Uploads become downloads and vice-versa. Useful if the device is reporting data the wrong way round.
DisplayChoose whether to display both a graph and details or just details for this device.
Show in MenubarShow information about this device in the Mac OS menu bar at the top of the screen.

Click Finish to add the new target and start monitoring it.