Rj45 Cat5/cat6 Weatherproof Ethernet Port Switches Surges Guard for Outdoor Security Systems Ethernet Cable Physical Isolation Switches

["Using completely nontoxic shell","Physical isolation: Real physical isolation. Intranet and extranet handovers. They will not disturb each other. High safety factors","It can freely control the networking cable on or off, easy to installs","Small and delicate: Easy to carry. Plugs and play. The technology is mature. Atmospheric elegances","Not power supply: There is not interferences to the networking signals"]