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.