Sonoff Mini Matter

Product Introduction

The Sonoff Mini Matter (MINIR4M) is a compact smart relay module designed to convert traditional wall switches into fully integrated smart home devices. Installed behind existing wall switches or inside electrical junction boxes, the device enables remote control, automation, and voice operation of lighting and appliances.

As Sonoff’s first Matter-certified smart switch, the MINIR4M allows seamless integration across multiple smart home platforms including Apple Home, Google Home, Amazon Alexa, and Samsung SmartThings. This universal compatibility allows devices from different manufacturers to work together within a single smart home ecosystem.

Powered by an advanced ESP32 processor, the Mini Matter offers fast response times, reliable connectivity, and secure local automation, making it an ideal solution for modern connected homes.

Key Features

Matter Smart Home Compatibility

Supports the Matter standard, allowing seamless integration with major smart home platforms including Apple Home, Google Home, Alexa, and SmartThings.

Ultra-Compact Design

Small enough to fit behind most wall switches or inside junction boxes, enabling hidden smart automation without replacing existing switches.

Remote Smartphone Control

Control connected lights or appliances from anywhere using compatible smart home apps or the eWeLink mobile application.

Two-Way Switch Support

Works with traditional wall switches such as momentary, latching, and SPDT switches for flexible installation.

Detach Relay Mode

Allows the external switch and relay state to operate independently, enabling advanced automation scenarios.

Voice Assistant Integration

Supports hands-free control through popular voice assistants including Amazon Alexa and Google Assistant.

Automation & Scheduling

Create automation routines, timers, and smart scenes to control devices automatically.

Smart Home Integration

The Sonoff Mini Matter integrates with multiple smart home ecosystems thanks to the Matter protocol, allowing cross-brand device compatibility.

Supported platforms include:

• Apple Home
• Google Home
• Amazon Alexa
• Samsung SmartThings
• eWeLink App

Matter enables local communication between devices, improving reliability and allowing automation to continue working even if the internet connection is interrupted.

Technical Specifications

Product Type: Mini Smart Relay Switch
Model: MINIR4M
Connectivity: Matter over WiFi (2.4 GHz) + Bluetooth pairing
Processor: ESP32-C3
Input Voltage: 100–240V AC, 50/60Hz
Maximum Load: 10A (approx. 2400W at 240V)
Wireless Standard: IEEE 802.11 b/g/n
External Switch Support: Momentary, latching, SPDT, dry contact switches
Material: Flame-retardant PC V0 housing
Operating Temperature: −10 °C to 40 °C
Dimensions: 39.5 × 33 × 16.8 mm

What’s in the Box

Sonoff Mini Matter Smart Switch (MINIR4M)
Installation guide / user manual