Switch Mate SONOFF S-MATE Extreme | S-MATE2

Compact & Universal Compatibility – Fits Most Mounting Boxes
S-Mate2 features a slim, compact design that fits easily into EU/86 type or US 120 type electrical boxes, and works with a wide variety of physical switches — including rocker, push-button, or toggle switches. Seamless integration into existing switch setups.
50M Reliable Local Control with “eWeLink-Remote”
Pair S-Mate2 with MINIR4 or other eWeLink-Remote gateway-enabled devices to enable up to 50 meters of stable local wireless control (no obstacles). No Wi-Fi required for communication—ideal for multi-room smart control.
Designed for Versatile Scenarios – No Neutral? No Problem
Supports smart home solutions like two-way control, multi-way lighting, and no-neutral switch wiring setups. A powerful add-on for smart retrofitting without changing existing wiring—perfect for older homes and renovations.
Up to 5 Years Battery Life – Low Maintenance
Powered by a CR2477 coin battery, S-Mate2 is built for long-term use. With optimized energy efficiency, you can enjoy up to 5 years of battery life (lab tested). Less hassle, more convenience.