Brand new and high quality. The Gigabit network cable adapter module uses RJ45 Ethernet connector, supports Gigabit network transmission, plug and play. The module connection is stable and can be used continuously without disconnection. Network cable extension connector, crystal head connector. Instructions for using the module: 1. Insert the network cable into one end of the module, find another network cable to insert into the other end of the module, and then insert it into the host or the device that needs to be connected to the network cable. 2. After connecting, test whether the network of the device is normal, open the device terminal, and enter the IP query command: WINDOWS device: Press the "WIN+R" key, enter "CMD" to open the terminal window. Note:Due to different production batches, there are differences in appearance, which does not affect usage. Colour:Blue & Silver Material:PCB+Metal Package Contents: 1 * Gigabit Ethernet cable adapter module Only the above package content, other products are not included. Note: Light reflection 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.