This Cat5 Audio Video Composite Splitter Extender extends video signals up to 300 meters (1000ft) using inexpensive CAT5 / CAT6 UTP cable. This Audio Video splitter extender consists of two units. The transmitter unit 4 ports connects to your local composite video and audio source and allows you to connect a local monitor and speakers next to the HDTV source, and the remote receiver unit connects to each of the remote HDTV monitors and speakers. Cat5 Composite Video Splitter and Audio Splitter extender via Cat5 is the ideal solution for applications to display the same image on multiple remote locations. These AV splitter extenders are commonly used at restaurants, bars, clubs and other HDTV environments for video broadcasting such as remote monitoring, presentations and advertising. Please note CompositeVideo and Audio Remote Receivers are not included and must be purchased separately along with the Splitter/Extender for correct functionality.