Smart WiFi mini switch Sonoff MINIR4M with Matter support — HomeKit, SmartThings, Home Assistant compatibility

Sonoff MINIR4M is a compact Smart WiFi mini switch with Matter support, designed for integration with HomeKit, SmartThings and Home Assistant. The device enables remote and automated control of lighting and small appliances, supports operation through voice assistants when used via compatible platforms, and is engineered to fit into confined installation spaces such as junction boxes and switch backboxes. With built-in WiFi and Matter interoperability, the MINIR4M provides a straightforward way to add standardized smart control to existing electrical circuits without replacing wall switches.

Advantages

The Sonoff MINIR4M delivers Matter compatibility for multi-platform interoperability, allowing centralized control from HomeKit, SmartThings or Home Assistant. Its miniaturized form factor simplifies installation behind existing switches and inside junction boxes. The switch supports reliable WiFi connectivity and remote control, enabling scheduled automation and scene integration. Designed for low-profile installations, the unit supports control of lighting circuits and small consumer appliances while maintaining safety compliance with the manufacturer’s specifications.

Suitable for

• Retrofit smart lighting control in residential switch boxes
• Integration with HomeKit ecosystems and voice assistants
• SmartThings and Home Assistant home automation scenes
• Remote control and scheduling of small appliances and lamps
• Installations where space behind the switch is limited

Key specifications

• Brand: Sonoff
• Model / MPN: MINIR4M
• EAN: 6920075772029
• Connectivity: WiFi with Matter support (for HomeKit, SmartThings, Home Assistant interoperability)
• Form factor: Mini inline switch suitable for installation in junction boxes and backboxes
• Primary use: Control of lighting and small household appliances

How to use

Install the Sonoff MINIR4M according to local electrical codes and the manufacturer’s wiring diagram, placing the device in the switch backbox or junction box where the load and line conductors are accessible. After wiring and powering the unit, add the device to your local WiFi network using the Sonoff setup procedure or a Matter-compatible commissioning flow. Once provisioned, pair the MINIR4M with HomeKit, SmartThings, or Home Assistant through the chosen platform. Configure schedules, scenes and automations in the respective app to control connected lights and small appliances remotely or by voice commands.

Usage recommendations

Ensure installation is performed by a qualified electrician. Verify compatibility of the connected load (lighting or appliance) with the switch’s rated parameters and follow Sonoff’s official instructions for safe wiring and commissioning. Use Matter and platform-specific apps (HomeKit, SmartThings, Home Assistant) for secure device pairing and to manage automations and voice assistant integration.