M5Stack LAN Base with W5500 V12 is an Ethernet controller base with a built-in W5500 full hardware TCP/IP embedded Ethernet controller. This Ethernet controller base can meet the wired network access requirements in the actual production environment. The LAN Base with W5500 V12 is designed for industrial application scenarios such as to provide metal slide rails for easy installation and fixation, equipped with HT3.96 terminals for electrical connection, and supports 9V to 24V input power voltage. This Ethernet controller base comes in standard configuration of TTL-RS485 + TTL-RS232 two adapter boards that adapt to different communication interfaces.