The FIBARO Walli Switch Unit FG-WDSEU221-as-8001 is a pack of ten smart wall switches for home automation systems. These switches feature a compact design measuring 86 mm × 86 mm × 35 mm, making them compatible with standardized European flush-mounted boxes. Made from durable polycarbonate materials, they support both momentary and toggle switch modes for flexible installation. The devices operate using Z-Wave wireless technology with a range of up to 50 meters indoors, enabling reliable smart home integration. Each switch handles electrical loads of up to 2500 W for incandescent bulbs or 400 W for LED lighting, with voltage compatibility of 230 V AC at 50 Hz. The white surface provides a neutral aesthetic suitable for various interior design styles. The operating temperature range extends from 0 °C to 40 °C, ensuring stable performance in typical household environments. These switches support association groups and scene activation for enhanced automation scenarios. The package includes ten complete units, each consisting of the wall switch module and necessary mounting hardware. Installation requires basic electrical knowledge and compatibility with existing Z-Wave home automation controllers. The slim profile allows for flush mounting with wall surfaces while maintaining tactile button feedback. The standby power consumption is less than 0.5 W, contributing to efficient energy management. The product is CE certified for compliance with European market regulations and safety standards.