SONOFF Matter over WiFi Dimmer Switch | MINI-DIM

The Sonoff MINI-DIM is an ultra-compact in-wall dimmer switch with Matter over WiFi. It retrofits existing light switches and enables precise, flicker-free dimming of compatible light sources. In Home Assistant, it can be integrated directly as a Matter device and used in automations.

Highlights

• Matter over WiFi: cross-platform compatible (e.g., Home Assistant, Apple Home, Google Home, Alexa, SmartThings)
• Trailing-edge dimming for high LED compatibility
• Brightness Calibration (Auto/Manual) for smooth dimming behavior depending on the light source
• Power Detection: power/consumption data available in the UI
• Over-Temperature-Protection (NTC, automatic shutdown in case of overheating)
• External switch/button on S1/S2 (rocker or push button; switchable on the device)

Home Assistant

Integration via Matter (WiFi). Switching and dimming are available in Home Assistant. Through Home Assistant, the MINI-DIM can also be integrated into automations alongside devices using other technologies (e.g., Zigbee, Z-Wave, Thread).

Supported Loads

• Dimmable LED light source: up to 200 VA
• Incandescent bulb: up to 400 W
• Halogen: up to 400 W
• Dimmable electronic transformer: up to 200 W

Technical Data

• Product name: SONOFF MINI DIM Matter Over WiFi Dimmer Switch
• Model: MINI-DIM
• Series: MINI Extreme series
• Supply: 220–240 V~
• Frequency: 50 Hz
• Max. load current: 2 A
• WiFi: IEEE 802.11 b/g/n, 2.4 GHz
• MCU: ESP32-C3
• Dimensions: 45 × 39.4 × 16.8 mm
• Weight: 24.5 g
• Operating temperature: -10 °C to +40 °C
• Humidity: 5–95% RH (non-condensing)
• Housing material: PC
• Certification: CE, RoHS

Connection & Installation

• Terminals: L (Live), N (Neutral), O (Output), S1/S2 (Switch inputs)
• Indoor use only
• Do not connect S1/S2 to neutral or protective earth
• Operate only with 220–240 V~ single-phase

And if you want to know even more: All details