Function The product is a relay module that provides electrical switching with electrical isolation between the control side and the load side. Antiinterference and stability Designed for strong antiinterference performance to sustain stable operation in noisy environments, improving reliability across applications. Compatibility and applications Suitable for all MCU control, industrial sector control, PLC control, and smart home control implementations. Size and power efficiency Compact in size with low power consumption, capable of handling voltage loads, and featuring input sensitivity for easy drive from common controllers. Key benefits Reliable switching with strong noise rejection, easy integration with a variety of control systems, and a compact, energyefficient design that supports voltage switching and responsive control. Use scenarios 1) Microcontroller based smart home: drive lighting, outlets, or other voltage devices from an MCU without compromising control signal integrity. 2) Industrial automation: interface between PLCs and actuators or conveyors, enabling robust, isolated switching in a factory setting. 3) Smart hub integration: connect a lowvoltage control hub to voltage devices, enabling seamless automation and remote control.