Findway 2 Ports Network Switch Splitter Selector Hub Adapter 2-in 1-out or 1-in 2-out 100m Mt-rj45-2 Simple and Convenient Installation, Easy Manual Button Switch No Extend Power Need, No Electrical Interference. And No Electrical Circuit Between Inter Net and Outer Net, Physical Isolation. Mini Metal Box Protection Support Up to 100M Network Switch Dimension:120 x 90 x 30 mm