The Logilink WZ0012 Network Service Kit is a 4-pack of electronic components for general use in LAN networks. It includes an uplink port switch, two RJ-45 female-to-female adapters, and one RJ-45 male-to-female adapter. The components use standard Ethernet protocols and deliver dependable performance. They are also designed to be compatible with all types of networking hardware and configurations. As a complete kit, the Logilink WZ0012 simplifies the setup and maintenance of basic LAN network environments.