The Huaqingjun 7-Inch HMI LAN Touch Screen for CNC/PLC is a professional industrial Human-Machine Interface (HMI) designed for advanced monitoring and control applications. It supports Ethernet (LAN) connectivity along with RS485, RS232, and RS422 communication protocols for seamless integration with PLCs, CNC machines, and industrial automation systems. Operating on DC 19–30V, the large 7-inch touchscreen provides clear visualization of process data, real-time monitoring, and intuitive equipment control. It is an ideal solution for factories, production lines, CNC equipment, EV charging systems, and advanced industrial automation projects.