Product description: Sonoff Mini R4 - smart 240V WiFi wall socket relay - Android / iOS application
Sonoff Mini R4 is an innovative 240V relay module that makes home automation much easier. The device is controlled via WiFi using the eWeLink application from anywhere in the world. Its compact design, 40% smaller than the previous version Mini R2 , makes it fit even in the smallest mounting boxes. Equipped with the ultra-modern ESP32 chip, the relay ensures stable and reliable operation. With advanced functions such as "Detach Relay" , it offers independent control of the relay and external button, which increases the flexibility of use. Sonoff Mini R4 is compatible with a wide range of switches, allowing integration with existing lighting systems. Additionally, the ability to set timers, voice control, and create intelligent scenes makes it one of the most versatile devices on the market.
Sonoff Mini R4 - intelligent 240V WiFi wall socket relay - Android / iOS application.
Our offer also includes other Sonoff devices .
Main features of the relay
- 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 R4 Installation
The Mini R4 is quick and easy to install, making it an ideal choice for both amateurs and professionals. Its small size means it fits easily into standard wall boxes. Simply connect the wires according to the instructions to transform your traditional switch into a smart solution. The device works with a variety of switch types, making it easy to integrate with your existing electrical installation.
The device has a very simple connection diagram, and the leads described on the housing make it easy to connect the appropriate cables. The main power supply should be connected to the N in and L in connectors (the N power supply lines should be bridged with the N line of the device), the L out connector is used to connect the 230 V device, while S1 and S2 are connectors for connecting a traditional switch.
Sonoff Mini R4 module connection diagram. 
Sonoff Mini R4 is compatible with the eWeLink app.Applications and integration
Mini R4 is the perfect solution for anyone who wants to automate their lighting and electronic devices at home. Thanks to the integration with the eWeLink application, you can control the device remotely, set schedules and create advanced scenarios with other devices such as motion sensors or door and window opening sensors . The "Detach Relay" function allows flexible relay management, which is especially useful in smart lighting systems, where external switches can operate independently of the relay status.
Technical specifications of the relay
- Model: Mini R4
- Chip: ESP32, dual-core processor
- Voltage: 100V to 240V AC 50/60Hz
- Maximum current: 10 A
- Maximum load: 2400 W
- Communication: WiFi IEEE 802.11 b / g / n 2.4 GHz
- Material: PC (polycarbonate) class V0
- Voice control option: Google Home, Amazon Alexa
- Compatibility: Momentary, Latching, SPDT, Potential Free Switches
- Features: Detach Relay, Voice Control, Timers, Smart Scenes
- Certificates: CE, FCC, TÜV
- Dimensions: 39.5 x 33 x 16.6 mm
- Weight: 26.7 g
240 V miniature relay.
