Size:(15CM/6Inch) Color: Black Features:（2 per pack) VGA male to RJ45 Female cable and VGA Male to RJ45 female cable | You need a pair/2pcs of these at least to work Allow transmitting signal between VGA video ports for distances up to 66ft (approximately 20 meters) over CAT5, CAT6 Ethernet cable (cable not included) | Material：Nickel plated joint, fine solder joints, resistance to plug, and good contact to ensure transmission signal stability, durability and a long life. The outer casing is made of PVC, which is soft and durable. " | Simple：Plug and play, no need for other equipment and softwareSmall and exquisite, easy to use, easy to carry, easy to store | Features：This cable can be converted to VGA 15-Pin serial port, VGA port used to connect to the computer host or a variety of monitors