If you have a mini network of pcrsquos set up in the office or at home and need to connect each one to a printer scanner or any other usb peripheral this push button unit from startech is the ideal solution it is an easy out of the box way to share a usb 20 device between up to four different computers without having to go through the hassle of connecting and disconnecting the gabling every time you switch computers as easy as it gets the startech peripheral sharing switch needs