Sonoff Smart Dimmer Switch (Matter)

This state-of-the-art smart dimmer module uses Matter over Wi-Fi and will work with many smart home ecosystems. Wiring a smart module like this behind your existing light switch means you can control your lights using an app, hook them up to your voice assistant and even set up automations to adjust the lighting automatically. Thanks to Matter support, you can use it with Home Assistant or with Alexa, Google Assistant, or Siri—making your lighting easier, smarter, and more connected than ever. This product requires neutral wiring. You should only use it with voltages between 220 and 240V. Note: This product requires mains wiring. Please ensure you have the skills and knowledge to install it safely or consult a qualified electrician! Features Wide Bulb Compatibility: Works seamlessly with many common bulb types, including dimmable LEDs up to 200VA, incandescent and halogen lamps up to 400W, and dimmable electronic transformers up to 200W. Matter Certified: Compatible with Matter-enabled hubs and gateways. We're big fans of Home Assistant! Voice Control: Hook up Alexa, Google Assistant, or Siri for hands-free operation. Remote Access: Control your lighting remotely via Home Assistant or Sonoff's eWeLink app, allowing for scheduling and automation. Tech Specs Rating: 220-240V~ 50Hz 400W Max Resistive load LED: 200VA Compatible with dimmable LEDs, incandescent, and halogen bulbs and dimmable electronic transformers (for ELV systems)* Recommended wiring: 18AWG to 16AWG SOL/STR copper conductor only MCU: ESP32-C3 Wi-Fi: IEEE 802.11b/g/n 2.4GHz Certification: CE/RoHS Dimensions: 45x39.4x16.8mm * Note that this switch is not compatible with fluorescent lamps, CFLs, LED strips, and inductive loads (e.g., motors, fans). Resources Check out the Sonoff knowledge centre for technical details, compatibility, troubleshooting and setup tips. What is Matter? Matter is a modern smart home standard that makes it easier for devices from different brands to work together reliably. Matter-certified devices like this one can be used across multiple platforms, including Home Assistant, Apple Home, Google Home and Alexa. Matter devices are designed to work locally on your home network, so they do not rely on the internet or a cloud service to function. This means faster response times, improved reliability and better privacy. Instead of using its own special radio tech like Zigbee or Z-Wave, Matter runs over standard home networking technologies like Wi-Fi, Ethernet, or Thread. This helps ensure long-term compatibility and makes it easier to mix and match smart home products from different manufacturers. Want to learn more? Check out the official Matter website.