By using the Belkin 4-port USB switch, you can share a printer or any USB device with up to four USB computers, an ideal solution for a home or office environment. The switch works with virtually all USB 1.1 and 2.0 devices and features port selection for switching devices from one computer to another. LEDs give status of power and port selection. Up to 127 USB devices can be shared with four USB computers. The Belkin 4-port USB switch requires no power supply and comes with free technical support and a lifetime warranty.