The CS1734B is 4-port KVM switch combined with a 2-port USB 2.0 hub. As a KVM switch, it allows users to access four computers from a single keyboard, monitor, and mouse console. There are four methods to obtain instant access to any computer in your installation: Pushbuttons, Hotkeys, OSD, and mouse. 1x CS1734B 4-Port USB 2.0 KVMP™ Switch 2x 2L-5301U USB KVM Cables (1.2m) 2x 2L-5302U USB KVM Cables (1.8m) 2x OSD/Hotkey Stickers 1x LIN5-04A2-J13G Firmware Upgrade Cable 1x 0AD8-1605-24M1 Power Adapter 1x User Instructions