Welcome to our store! 1. Satisfies your dual network needs, including company intranet and company extranet, and can also meet your single network needs for dual computer use. Practical functions, easy to use. 2. The mini network converter is easy to carry and can be placed on your desktop as desired. 3. No power supply is needed, no electronic switch, and no electrical interference to the network signal. 4. Proper physical isolation prevents electrical circuit connection between internal and external networks. 5. The engineering plastic casing ensures rapid heat dissipation, corrosion resistance, and anti-static properties. Item Type: Switch Model: RJ21 Product Category: Shared Equipment Material: ABS Plastic Interface: RJ45 100MHz 2 Input 1 Output or 1 Input 2 Output Product Description: Switching and distribution functions, allowing you to switch between 2 network interface inputs and 1 network interface output; or a distribution function with 1 network interface input and 2 network interface outputs. Applicable to various industries, such as the stock market and education. 1 x Switch1 x USB Connection Cable Customers are our priority. If you encounter any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.