Mini 2-Port RJ45 Network Key Switch - Allows seamless switching between different networks, such as internal and external network chains, eliminating the hassle of frequently plugging and unplugging network cables. RJ45 Network Switch Selector, plug and play, no computer restart needed during use. It supports 1-to-2 output or 2-to-1 input. The 2-Port RJ45 Network Key Switch features an on/off button. To select a working port, simply turn the switch to the desired port side. This is a purely mechanical switch that effectively prevents IP series conflicts. The 2-Way RJ45 8P8C Network AB Sharing Switch can be used immediately after connecting to your computer. No extra power is required. It is physically isolated, ensuring internal and external networks do not interfere with each other. Manual bidirectional distribution switching. "The 2-Port Network Tap Selector is easy to install and use. The key switch is small and portable, allowing for convenient placement on your desk." 2-Port 2-in-1 or 1-Input-2-Output 100M Network Switch 1. Purely mechanical switch, effectively preventing IP series conflicts. 2. Solves the drawbacks of traditional manual network cable connections, replacing the manual network switching method. 3. Users can switch between internal and external networks safely and quickly, avoiding the inconvenience of frequently plugging and unplugging network cables. 4. Two switching modes: 1 Input 2 Output: 1 high-speed network connects to 2 computers (2 computers cannot access the internet simultaneously). 2 Input 1 Output: 2 high-speed networks, 1 computer connects to the internal network/external network (internal and external networks cannot be used simultaneously). 5. No driver installation required, just plug and play. 6. No power required, pure physical isolation, free switching between internal and external networks without interference. 7. Contents: 1 x 2-Port RJ45 Network Switch Selector.