The US424 is a 4-port USB peripheral sharing device that enables 4 computers to share the use of 4 USB devices a keyboard mouse and up to two peripheral devices. It eliminates the added expense of having a separate USB keyboard mouse and peripheral device(s) for each computer. The US424 all-in-one design allows for a neat and tidy installation no need to connect 4 separate USB cables to the computer thus eliminating cable clutter.N/A1x US424 4 x 4 USB 2.0 Peripheral Sharing Switch