Sonoff Mini R4 Extreme – WiFi Smart Switch


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Experience the magic of smart home living with the Sonoff MINI Extreme Wi-Fi Smart Switch MINIR4 – it’s the tiniest WiFi smart switch out there! Packed with the powerful ESP32 chip, this little wonder turns your regular switches into smart maestros, handling lights and devices with ease. It’s not just small; it’s super versatile, fitting into all sorts of mounting boxes. Bring the future home with the Sonoff MINI Extreme – where innovation meets convenience in the coziest way possible!

Sonoff Mini R4 Extreme:


Upgrade your home’s intelligence with the Sonoff Mini R4 Extreme, a groundbreaking Sonoff WiFi Smart Switch that redefines the way you control lights and electronic devices. This compact yet powerful device actively transforms conventional switches into smart controls, offering unparalleled convenience and automation.

Versatile Installation for Global Compatibility: Say goodbye to limitations. The Sonoff Mini R4 Extreme’s super tiny size allows it to seamlessly fit into various mounting boxes, catering to different international standards. Whether you have European, South African, or other standards, this Sonoff WiFi Smart Switch effortlessly adapts to your home.

Enhanced External Switch Compatibility: Connectivity is key, and the MINIR4 ensures compatibility with an array of external switches. From momentary switches and door exit switches to SPDT switches, latching switches, and dry contact sensors, this Sonoff WiFi Smart Switch provides a versatile solution for your unique needs.

Revolutionary Detached Relay Mode: Experience unprecedented control with the MINIR4’s innovative “detach relay” mode. This feature separates the states of external switches from the relay, ensuring that operating the external switch button won’t impact the relay’s status. Enjoy enhanced control and flexibility in managing your smart lights and devices.

eWeLink Remote Control Gateway: Elevate your smart home experience with MINIR4’s dual functionality as an “eWeLink-Remote” gateway. Paired with sub-devices like R5 and S-MATE, this Sonoff WiFi Smart Switch empowers them to act as remote controllers. Seamlessly control MINIR4 locally through the eWeLink-Remote signal, adding a layer of convenience to your home automation setup.

Certified Safety and Reliability: Trust in the safety and reliability of your Sonoff WiFi Smart Switch devices. MINIR4 holds TÜV, CE, and FCC certifications, ensuring compliance with stringent standards. Enjoy peace of mind as you integrate this smart switch into your home automation ecosystem.


  • Brand: SONOFF
  • Model: MINIR4
  • Wi-Fi: IEEE 802.11b/g/n 2.4GHz
  • Input/Output: 100-240V~50/60Hz 10A Max
  • Casing Material: PC V0
  • Dimensions: 39.5x33x16.8mm

Note: Operation requires a neutral wire and a 2.4GHz Wi-Fi connection with internet access.