Additional Details ------------------------------ Product description: Iogear USB KVM Cable is 4' long and allows users to share a VGA monitor, a USB mouse and a USB keyboard between four computers. IOGEAR's GCS24U 4-Port USB Cable KVM allows users to share a VGA monitor, a USB mouse, and a USB keyboard between four computers. Users can switch between computers using a manual switch located on a wired remote control that can be placed conveniently on your desk. It offers an out-of-box / entirely plug-in-play solution with no additional cables or software installation needed. It supports multiple operating systems. It is also powered through the USB bus and thus does not require a power supply to run. It is the ideal KVM for those who want a competitively priced, entry level KVM that will allow them to multitask with four computers at their disposal. Connects devices (from/to): Computer to keyboard, monitor, mouse. Number of ports: 4. No power adapter required. Supports programmable mice. Full Mac keyboard support. Compatible with PC, MAC and SUN operating platforms. Supports Windows 2000 or higher, Mac OS 9.0 or higher, Sun Solaris 9 or higher. Molded-in cables to simplify setup. Max resolution: 2048 x 1536, DDC2B. Includes 4-port USB cable KVM, quick start guide, warranty card. 3 years limited warranty.