New and high quality. The Gigabit network cable adapter module uses an RJ45 Ethernet connector and supports Gigabit network transmission with plug-and-play functionality. The module provides a stable connection and can be used continuously without disconnection. This product serves as a network cable extension connector with a crystal head connector. Instructions for using the module: 1. Insert a cable into one end of the module, then connect another network cable to the other end and plug it into the host or device requiring a network connection. 2. After connecting, test the device for normal operation. Open the device terminal and enter the IP query: Press "WIN+R", type "CMD" to open the terminal window. Note: Due to different production batches, slight variations in appearance may occur. These differences do not affect performance. Color: Blue & Silver Material: PCB + Metal Package Contents: 1 x Gigabit Ethernet cable adapter module Only the above package content is included; other items are not part of this package. Note: Lighting reflections and differences in display screens may cause slight variations between the color of the item in the photo and the actual product. Measurement may vary by +/- 1-3 cm.