The Sonoff ERBS is a dedicated wall switch enclosure designed to house MINI-RBS or MINI-ZBRBS modules, allowing you to control your roller shutters with a physical interface. Crafted from white polycarbonate, the casing is built to be fire-resistant, scratch-resistant, and deformation-proof, ensuring it maintains its appearance and safety over time. Measuring 86 x 86 x 34 mm with a profile thickness of 21 mm, this enclosure fits into standard 86-type wall boxes as well as European round boxes with diameters between 60 and 80 mm. Its clip-on design simplifies the installation process, while the ergonomic micro-curved buttons provide a comfortable tactile feel during daily use. This CE-certified accessory operates reliably in temperatures ranging from -10°C to +40°C, making it a practical choice for various home environments.