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

Please note: This is not EIA/TIA-561 or similar common pinout. These units can only be used when paired together. They cannot be used as you would any other similar adapter.Size:(15CM/6Inch) Color: Black Features:（2 per pack) DB9 Female to RJ45 Female cable and DB9 Male to RJ45 female cable | 【DB9 to RJ45】DB9 (RS232) to RJ45 adapter for bidirectional conversion of TCP/IP network interfaces, transmitting signals between your DB9 ports via CAT5E/CAT6 RJ45 network cables.Special Note: Usually this product needs to be used in pairs. | Save money by using a CAT5 cable versus a DB9 cable.Makes running cables easier due to RJ45 being thinner. | The RS232 signal is transmitted over the network cable,When using this adapter, it is recommended to use within a distance of 1-15 meters Requires no external power, easy and Convenient to use | 【Plug and play】Simple operation, cost saving, plug and play, no need to drive.Note:This product is only an adapter for exptending, not a console adapter.