SONOFF MINI Extreme Wi-Fi Smart Switch MINIR4
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【Ultra-Compact Design】MINIR4’s super tiny size fits easily into various mounting boxes, including the smallest European standard boxes, making installation quick and hassle-free.
【Equipped with ESP32 Chip – High-Performance Smart Core】MINIR4 features the powerful ESP32 chip, delivering faster response times, more stable connectivity, and enhanced processing power. Designed for reliable and long-lasting performance, it ensures seamless smart home automation and smooth device control.
【Flexible External Switch Compatibility】Supports multiple switch types such as momentary switches, door exit switches, SPDT switches, latching switches, and even dry contact sensors for versatile control options.
【Detach Relay Mode for Independent Control】With the unique “detach relay” mode, the external switch state and the relay state operate independently. Pressing the external switch won’t affect the relay’s on/off status, providing more flexible control.
【eWeLink-Remote Gateway Function】MINIR4 acts as a smart switch and gateway for “eWeLink-Remote”. Pair with sub-devices like R5 and S-MATE to enable local remote control via eWeLink-Remote signals, enhancing your smart home network.
Technical details, troubleshooting or setup tips? Access the MINIR4 knowledge center for all the info you need.
Smallest Wi-Fi Smart Switch Ever
SONOFF MINI Extreme Wi-Fi smart Switch
Mini than Ever,
Adapts to Various Boxes
A brand new product that turns traditional switches intosmart switches, automating lights and electronic devicesS.It's 40% smaller than MINIR2, fits in various mounting boxes, iincluding the smallest European standard ones.
Ultra-fast ESP32 Chip
The ESP32 chip is a highly sought-after solution for smart home pproducts, boasting exceptional safety and reliability. Withits speedy dual-core performance and ample memory, you can trust its ability to provide long-lasting and stable operation.
Comprehensive Safety Guarantee
SONOFF always prioritizes safety and designs products in strict accordance with certification requirements.Our products passed CE, FCC, and more stringent TÜV certifications
Transform Your Switches with
Seamless compatibilityEasily
connect to momentary switch, door exit switch, SPDT switch, latching switch, and even
Detach Relay
Detach Relay" means the states of external switches and relayy are separated, so operating the externalswitch button won't affect relay state. As below, the smart light worn't be offline after enabling "Detach Relay",and can App control smart lights.
Multiple Control Method
After pairing with MlNlR4, both R5 and S-MATE can act as remote controllers to control MlNlR4 locally through the
eWeLink-Remote signal.
Set Timers
Turn on/off your appliances automatically to make life easier.
Voice Control
Free your hands and control devices with one command.
Additional Protection
-Delay Power-on State
If power is restored after a power outage, set someappliances to
delay the execution of the power-onstate. Avoid all appliances
turning on simultaneously,causing high currents to damage appliances
andleaving potential safety hazards.
Explore More Possibilities
Smart Scene
Works with motion sensors, door andwindow sensors,
and more to automate your home.
Package
Wiring instructions
Quick Start
Specifications
Specs & User Manual
SONOFF MINIR4 is an ultra-compact Wi-Fi smart switch powered by the ESP32 chip for fast, stable performance. It fits small EU wall boxes and supports multiple switch types, such as momentary switches, door exit switches, SPDT switches, latching switches, and even dry contact sensors. Detach Relay mode allows independent control of the switch and relay. Also works as an eWeLink-Remote gateway for sub-device pairing. Ideal for flexible smart home upgrades with app and voice control.
User Manual (PDF)MINIR4
IEEE 802.11b/g/n 2.4GHz
100-240V~50/60Hz 10A Max
100-240V~50/60Hz 10A Max
PC V0
39.5x33x16.8mm
FAQ
1. What is the maximum load supported by MINIR4? What devices can it control?
MINIR4 supports up to 10A of resistive load (e.g., lights, fans, coffee machines). Avoid connecting inductive loads (e.g., motors) that exceed the rated power.
2. Where can I install the MINIR4? Is it waterproof?
MINIR4 is compact and designed to fit inside most wall mounting boxes (EU/US standard 86 type). However, it is not waterproof and should not be used in humid or outdoor environments without proper protection.
3. Can I keep using my existing wall switch with MINIR4?
Yes. MINIR4 supports two-way control and can be connected to traditional wall switches for local manual operation.
4. Which voice assistants are supported?
MINIR4 works with Amazon Alexa and Google Assistant, allowing you to turn connected devices on/off using voice commands.
5. Does it support timers and automation scenes?
Yes. You can use the eWeLink app to set timers, countdowns, loop schedules, and create smart scenes with other devices.