The Sandberg USB (Universal Serial Bus) 2.0 Switcher is an automatic switchbox that enables you to use the same USB (Universal Serial Bus) device on two computers. The USB (Universal Serial Bus) device connects to the switchbox, which then connects to each computer. You can then press a simple key combination or a button on the box to select which of the two computers uses the USB (Universal Serial Bus) device. All types of USB (Universal Serial Bus) accessories can be connected, including webcams, scanners, hubs & printers. This avoids you having to buy devices of the same type for each computer, which would also take up more space on your desktop. So you save both money & space. The Sandberg USB (Universal Serial Bus) 2.0 Switcher does not require any software to be installed. You can use it as soon as you connect it.