This product is a high-performance USB to RS-232/RS-485 converter specially designed for industrial automation, IoT, instruments, and other fields. It achieves seamless connection with serial devices through a USB interface, supporting dual-mode communication protocols (RS-232 and RS-485) to meet the needs of long-distance and high-reliability data transmission. Its compact design, plug-and-play function, and multiple safety protection mechanisms make it an ideal solution for industrial sites and embedded systems.