Product description: Sonoff Mini R4M - smart 240V WiFi wall socket relay - Matter - Android / iOS app
Sonoff Mini R4M is an advanced, intelligent WiFi relay module that transforms traditional electrical installations into modern, remote-controlled systems. It offers support for a variety of electrical devices from 100 V to 240 V. Thanks to Matter certification, the device ensures wide compatibility and interoperability with various smart home systems, such as Apple HomeKit, Google Home, or SmartThings . Mini R4M supports local communication, which means that even without access to the server, you can still manage your smart home. Equipped with a fast ESP32 chip, it provides reliable and stable connections. Its compact dimensions allow for installation in even the smallest installation boxes , and the "Detach Relay" function allows independent control of the relay and switch.
Sonoff Mini R4M - intelligent 240V WiFi wall socket relay - Matter - Android / iOS app.
Our offer also includes other Sonoff devices .
Works with motion sensors, door and window sensors and other devices.
Main features of the relay
- Matter Connectivity: Enables collaboration with a variety of smart home ecosystems.
- Compact size: 40% smaller than Sonoff Mini R2 , perfect for small installation boxes.
- Advanced ESP32 chip: ensures fast and stable operation with high security.
- Detach Relay: Independent control of relay and external switch.
- Wide compatibility: works with a variety of switch types, including momentary, latching, and SPDT.
- Voice Control: Compatible with Amazon Alexa, Google Assistant.
- Smart scenes: the ability to automate your home using motion, door and window sensors.
- Timer function: automatically turn devices on and off.
- Power-on delay: protection against current overload after a power outage.
Sonoff Mini R4M Installation
Installing Sonoff Mini R4M is easy thanks to its compact size and markings on the housing. Installation requires connecting the wires according to the markings on the device. The main power supply should be connected to the N in and L in connectors (the N power lines should be bridged with the N line of the device), the L out connector is used to connect the device, while S1 and S2 are connectors for connecting a traditional switch.
Sonoff Mini R4M module connection diagram.
The relay turns traditional switches into intelligent ones.
Matter Connectivity
Sonoff Mini R4M is the first Sonoff device with Matter certification, making it compatible with a wide range of smart home platforms. This allows you to easily integrate your smart devices with different apps and control them from a single app.
Applications and integration
Sonoff Mini R4M can be used to automate lighting and other electrical devices. Integration with applications such as eWeLink , Apple Home , Google Home or SmartThings allows full control from a smartphone, including voice control.
Technical specifications of the relay
- Model: Mini R4M
- Chip: ESP32-C3FN4
- Voltage: 100V to 240V AC 50/60Hz
- Maximum current: 10 A
- Maximum load: 2400 W at 240 V
- Communication protocol: Wifi + Matter
- WiFi Protocol: IEEE 802.11 b/g/n
- Antenna: Built-in ceramic antenna
- Security: WPA/WPA2
- Encryption: WEP/TKIP/AES
- Material: PC (polycarbonate) class V0
- Certificates: CE, FCC, TÜV, RoHS, ISED, SRRC, Matter
- Dimensions: 39.5 x 33 x 16.8 mm
- Weight: 26.7 g
The device has screw connectors for mounting cables. 
