Features: 1.Satisfy your dual network use, company intranet and company extranet, also can meet your single network, dual computer use, practical functions, easy to use. 2.Mini network converter can be easy to carry, which can be placed on the desktop at will. 3.No need for power supply, no electronic switch, no electrical interference to network signal. 4.Real physical isolation, no electrical circuit connection between internal and external networks. 5.Engineering plastic shell keeps fast heat dissipation and corrosion resistance, anti‑static. specification:Item Type: Switcher Model: RJ21 Product Category: Shared equipment Material: ABS plastic Interface: RJ45 100MHz 2 In 1 Out or 1 In 2 Out Product Description: Switching function and a distribution function, which can switch between 2 network interface inputs and 1 network interface output; or a distribution function of 1 network interface input and 2 network interface outputs. Applicable to various industries such as securities market and education. PackageList:1 x Switcher1 x USB Connection Cable