Simply connect the adapter cable to both ends of interface, and you can use the cable to transmit VGA signals over long distances to monitors and projectors. Plug and play, no software drivers required. This adapter cable can be converted to VGA serial port, and the VGA interface is used to connect to the computer or various monitors. VGA interface, extend the display device through cable. For this adapter cable, use Category 5e or Category 6 network cable. Name: VGA to RJ45 cable Type: patch cord Interface: VGA Size: about 18CM Weight: 45g Colour:black Material:copper Package Contents: 10 * VGA to RJ45 adapter Note: The product transmission line only considers the cable as the transmission medium, not converting signal to VGA signal. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.