2 in & 1 out Internal And External Network Sharing Switch 1. Engineering plastic shell design, fast heat dissipation, corrosion resistance, anti-static 2. With switching function and distribution function, it can switch between 2 network interface input and 1 network interface output 3. Or the distribution function of 1 network interface input and 2 network interface output 4. Applicable to various industries such as securities market and education 5. Satisfy the use of your dual network, the companys intranet and the companys extranet; it can also satisfy your use of a single network and dual computers, with practical functions and convenient use 6. Mini design, easy to carry, can be placed on the desktop at will 7. No power supply, no electronic switch, no electrical interference to the network signal 8. Real physical isolation, there is no electrical line connection between the internal and external networks