The Refoss Mini Wi-Fi Smart Switch is a compact relay module for intelligent control of electrical devices in smart homes. Designed for retrofitting existing switches and circuits, it enables remote control of lighting, sockets, and other electrical appliances via a mobile app or voice assistant. The connection is established directly via the Wi-Fi network, eliminating the need for an additional hub. This simplifies installation and allows for quick integration into existing smart home systems. Its compact design allows the module to be installed in many flush-mounted boxes or switch boxes. A key advantage is its compatibility with Apple HomeKit, Amazon Alexa, and Google Assistant. This allows devices to be controlled via voice commands and integrated into automated scenarios. Users can create schedules, define routines, or control devices remotely. App control enables convenient, real-time management of connected devices. Switching states can be monitored and customized, improving both user-friendliness and energy management. The relay is designed for continuous operation and features various protection functions for stable control of connected devices. High-quality electronics ensure reliable communication and a fast response to control commands. Installation should be carried out in accordance with applicable electrical regulations. When working with mains voltage, installation by qualified personnel is recommended to ensure safe operation. Overall, the Refoss Mini Wi-Fi Smart Switch is a practical solution for smart home retrofitting, offering easy integration, broad compatibility, and convenient remote control.