4-Port USB/KVM Switch The 4-port USB/KVM Switch allows you to keep 4 PCs connected to one monitor and one USB or PS/2 mouse and keyboard. Eliminates the need for cable swapping. Saves money! There's no need to purchase additional monitors or upgrade your PS/2 mice and keyboards. Saves space! Since the USB/KVM Switch eliminates the need for extra equipment, it also saves the space that the equipment would consume. * Instantly toggle between 4 computers using just one monitor and a PS/2 or USB keyboard and mouse. * Supports plug and play. * Supports Hi-Resolution monitors up to 1920 x 1440 and bandwidth up to 200 MHz. * Includes 4 built-in USB hub ports for the computer to share different USB peripherals. * Confirms port switching with an audio sound. REQUIRES- IBM or 100% compatible PC, Windows 98/2000/Me/XP. MANUFACTURER WARRANTY: Lifetime Limited.