The application will show information such as the file transfer speed and the exact percentage of the transfer. Additionally, it will allow you to pause it at anytime and start again later, just as if it were a download.
There are more options (which you can access by right clicking on the icon in the toolbar) that allow you to automate different actions, establish priorities of program use, determine if you want to view the file size in kilobytes or megabytes, and start the program when Windows launches.
You can also configure purely aesthetic parameters, like the color of the progress bar, the border color, and even the font and color of the source text.
Supercopier is a very interesting tool that becomes indispensable once you start using it. The improvements it makes for file transfers on Windows are enormous.