The CAT5-5000 simply and efficiently extends two analog monitors, a USB-based keyboard/mouse and audio signals hundreds of feet from the computer using CAT5 cables. It comes in two versions: the CAT5-5000 sends video, audio and control signals up to 330-feet from the computer; the CAT5-5500 sends video, audio and control signals even further, up to 450-feet from the computer. The CAT5-5000 uses two CAT5 cables to transmit the signals and the CAT5-5500 uses three CAT 5 cables. The CAT5-5500 has additional trim pods controls for brightness and focus for enhanced control of your video quality. Both are designed for those who prefer to operate a dual-display computer workstation in a stable, quiet and secure location far away from the computer. Package includes sender unit, receiver unit, two 6ft VGA cables, one 6ft USB cable, one 6ft Audio cable, and two 5V transformers.