5 FE PortsThis din rail switch include 4 ethernet ports and 1 uplink port, all support 10/100Mbps adaptive. Plug and play, directly connected to the peer device, no need to configure the port Industrial IP40This is a industrial grade switch, using sturdy aluminum alloy casing and industrial grade electronic components, working temperature -40~75°C(-40~185°F), anti-lightning, anti-static and anti-overload protection Redundant PowerSupport 2-way industrial grade power interface input, automatically switchover when 1-way fails without any downtime, high reliability ensures continuous business operation. Include one commercial power supply LED & FanlessBoth the power supply and the port have LED indicators, which can clearly observe the running status of the device. Fanless design, heat sink for heat dissipation, quieter and energy saving during operation Widely UsedDin-rail & Wall mount kit, easy to install, suitable for professional networks such as industrial control,