RJ45 Network Switch 2 in 1 or 1 in 2 Splitter Selector Hub AU97 Description 2 input and 1 output, 1 input and 2 output as a switch Feature: Simple and convenient installation, button switch No extend Power, no electrical circuit between inter net and outer net, physical isolation and no electrical interference Mini plastic box, manual switch 100M network switch SIZE: 80*50*20mm