【Perfect Fit for 3 Gang Junction Boxes】Specially designed for standard 3 gang installation boxes, allowing easy side-by-side installation of two independent SONOFF wall switch enclosures into standard 3 gang installation boxes. This design solves the problems of misalignment and deformation caused by compression in traditional installations. 【Multifunctional Integration】Users can utilize SONOFF's provided 3D printing files to print sensor accessories, integrating motion sensors, temperature and humidity sensors, and wireless buttons into the wall switch enclosure, creating a DIY smart control center. 【Stylish and Practical】The slim bezel and seamless design enhance the modern minimalist aesthetic of home decor. 【Versatile Installation】Supports both horizontal and vertical installation, adapting to different spatial layouts. 【Precise Fit】Accurately fits standard 3-gang junction boxes, ensuring seamless alignment when installing multiple switches side by side, with no visible gaps or misalignment. 【Easy Maintenance】Smooth surface for easy cleaning, suitable for modern home and commercial environments. Specifications: Material: PC 3-Gang Dimensions: 228mm (Width) x 86mm (Height)