Mini 2-port RJ45 network key switch selector box, you can switch between each network in the internal network and external network chain at will, avoiding the trouble of frequent plugging and unplugging of network cables RJ45 network switch selector, plug and play, no need to restart the computer when using, it can be 1 in and 2 out, or 2 in and 1 out The 2-port RJ45 network key switch selection box has a switch button. When selecting the port that needs to work, just flip the switch to the side of the working port. It is a purely mechanical switch, which effectively prevents IP series connection. RJ45 8P8C network 2-way AB sharing switch box, can be used after connecting to the computer, no additional power supply, real physical isolation, internal and external network does not interfere with each other, manual distribution switching two-way selection