One Serial Port: With RS485 serial port, it can realize transparent transmission between RS485 and Ethernet ports. It supports timeout restart, DHCP, DNS, and other advanced features such as heartbeat packet, registration packet, etc. Rich Protocols: TCP/UDP/HTTP/DHCP/DNS. Modbus Gateway: Modbus RTU conversion, Modbus RTU to JSON. Easy Config: AT command, built-in webpage, config utility. Bidirectional Transparent Data Transmission: With serial device server, traditional serial devices can be connected to local networks and the Internet. Users can transform traditional serial devices into IoT devices. Virtual-COM Software: This feature can infinitely extend the serial cable, allowing communication to no longer be limited by distance. Point-to-Point Communication: Using this method, it is possible to achieve data communication between two serial devices. Multi-user Access: In server mode, it supports multiple clients access, so it can realize multi-user control of serial devices. Colour: White Material: ABS Package Contents: 1 x RS485 to Ethernet Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3 cm.