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SONOFF
Foster innovation to make life simpler and smarter.

SONOFF specializes in the development and production of smart home hardware and products.
It is located in Shenzhen, which is the Chinese electronics market, and due to our strong production capacity, SONOFF is able to provide high-quality products at an affordable cost.
SONOFF WiFi Smart Home
SONOFF Smart Home

Voice command
Tell your voice assistant what you need, make life smarter.


Product Dimensions : 1.56 x 1.3 x 0.66 inches; 3.88 ounces
Item model number : MINIR4
Date First Available : May 6, 2023
Manufacturer : SONOFF
ASIN : B0C1GTGKQJ
Best Sellers Rank: #106,704 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #273 in Electrical Outlet Switches
Customer Reviews: 4.7 4.7 out of 5 stars (2,076) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
【Note】It is a WiFi device, not a zigbee version.
【Super Tiny Size】Its compact size allows it to be installed in various mounting boxes, including the smallest European standard.
【External Switch Control】Easily connect to the momentary switch, door exit switch, SPDT switch, latching switch, and even dry contact sensors.
【Detach Relay Mode】MINIR4 has “detach relay” mode, which means the states of external switches and relay are separated, so operating the external switch button won’t affect the relay state.
【eWeLink-Remote Control】MINIR4 is a smart switch with the gateway function of “eWeLink-Remote”. You can add “eWeLink-Remote” sub-devices, R5 and S-MATE, after pairing with MINIR4, both R5 and S-MATE can act as remote controllers to control MINIR4 locally through the eWeLink-Remote signal.
【Safe & Reliable】TÜV, CE, and FCC certifications ensure a safer and more reliable product.
13 reviews for SONOFF MINIR4 10A Smart WiFi Extreme Wireless Light Switch,Universal DIY Module for Smart Home Automation Solution, Compatible with Alexa & Google Home, No Hub Required,4 Pack
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$37.99

Rinconnt –
“Easy to install and excellent Alexa integration”
The SONOFF MINIR4 was very easy to install and set up. In less than 15 minutes I had it connected to my existing light switch. The app walks you through the process step by step, and I had no issues connecting it to Wi-Fi.The best part is the seamless integration with Alexa. I can turn the light on and off with voice commands or set up routines in the Alexa app. The response is fast and stable, with no disconnections so far.Pros:✅ Quick installation, even for beginners.✅ Works perfectly with Alexa and other smart home platforms.✅ Compact size fits most switch boxes.✅ Stable performance with no connection drops.Cons:⚠️ Requires basic knowledge of electrical installation. If you’re not familiar, I recommend asking a technician for help.Conclusion:An excellent device to automate your lights in an affordable and reliable way. Highly recommended for anyone starting with smart home automation without complications.
Brchan –
Lots of possibilities when paired with ESPHome, still a complicated install
I have smart lights in each room but don’t want to lose the wall switch function nor would it make sense to change the wall switch to a smart switch. Most smart switches do not function the way I want, which is to keep the power connected but act as a remote to the light. These are excellent modules to install behind an existing wall switch to enable smart functions and can be reprogrammed using ESPHome for exactly the behavior I want. My family doesn’t have to change their habits or learn to use some app and the lights stay connected to my Home Assistant server for smart monitoring.Installation still requires electrical knowledge and skill since the module requires both live and neutral. The screw terminals are functional but might not be strong enough to handle a full bank of solid copper wires like the romex used in North American standards. It requires some planning to make sure wires bend where they should or switching to 18 AWG stranded copper wires where possible. The wall switch connection can definitely be smaller wires since they use a low voltage.
Nino –
Works great, Tasmota compatible, no complaints
These little guys are absolutely perfect for adding smart controls to practically anything you can think of. Most devices are “smart” by adding a smart switch, or having the device itself be smart. These are a great way to accomplish the same thing for “dumb” devices where you don’t want or need to add a switch to your wall to control it.Flashing Tasmota onto these is the first thing I do, and while it’s a *little* bit more involved than other devices (one of the wires must connect to a small secondary board on the opposite side of the device) but outside of that it’s like flashing anything else. Tasmota functions great on it and all features are available – if you want easy, local-only control with every single configuration option you could ever want, flash it first thing.I currently have two of these sitting with my tools because I never want to be caught without one. When you have a project that requires something like this, nothing else will do. I’m currently using one to control the power supply to a wall mounted tablet utilized as a home assistant control panel. Rather than having it permanently wired to power and eventually ruining the battery, with this I can have power on until the battery reaches 80%, then turn it off until it drops to 40%. As a standard Tasmota device on Home Assistant I can do whatever I want – monitor energy consumption, bypass the standard rules and charge it to 100% if a storm is coming, whatever.Honestly, between this and Shelly devices your options are limitless. I’ve been pretty happy with my Sonoff devices, so I went with this instead of the Shelly and have no regrets. You won’t either.
Juan Carlos Pernia R. –
Easy to install and works great with my wifi
Great product
M. O. –
Rated 10A only, no WebUI, no MQTT, OK after changing firmware
Note, this is rated 10A only, in US you have 15A and 20A breakers. If the current is exceeded it may overheat, fail, or catch fire. If that doesn’t bother you, note there is no web UI (you have to use eWeLink app), no MQTT, no power metering. Those are OK considering the price but you must flash it with Tasmota or ESPhome to get WebUI, MQTT, BLE proxy. To flash it you will need good eyes, good soldering iron, and steady hands.
raymond –
Works great!
Works great. Easy to setup.
Claudio Merejo –
Good +++++
Good +++++
JOSE LUIS BEDOR MURILLO –
reliable product
I’ve watched many videos on how to adapt an electronic lock, and thanks to this device, I’m very excited to have received it. Thank you!
Simone –
Il SONOFF MINI R4 è un interruttore intelligente WiFi compatto, progettato per automatizzare luci, elettrodomestici e altri dispositivi elettrici. Funziona con una rete WiFi a 2.4 GHz e può essere controllato tramite app eWeLink, oltre ad essere compatibile con assistenti vocali come Alexa e Google Home. Presenta una modalità “relè staccabile” che permette di separare lo stato dell’interruttore esterno da quello del relè, offrendo un controllo più flessibile. Può connettersi a vari tipi di interruttori esterni (momentanei, SPDT, contatti secchi) ed è adatto per installazioni anche negli spazi più piccoli grazie al suo design ultra-compatto. Inoltre, supporta la funzione gateway eWeLink-Remote che consente il controllo locale tramite dispositivi aggiuntivi come R5 e S-MATE.Principali caratteristiche:- Dimensioni molto ridotte per agevolare l’installazione in diverse tipologie di scatole di montaggio standard europee.- Chip ESP32 ad alte prestazioni per una connessione stabile e rapida.- Compatibilità con vari tipi di interruttori esterni.- Modalità “detach relay” per uno stato indipendente del relè rispetto all’interruttore esterno.- Controllo remoto via app e integrazione con Alexa, Google Home.- Funzione gateway eWeLink-Remote per controllo locale.- Certificazioni TÜV, CE e FCC per sicurezza e affidabilità.È un prodotto ideale per chi vuole realizzare un impianto di domotica fai-da-te semplice ma efficiente, con possibilità di controllo sia remoto sia manuale locale, e con ampia compatibilità con assistenti vocali e sistemi smart home
Jörg Globisch –
Sehr eifach zu installieren. Liess sich auch sofort über Wlan einbinden. Handhabung über die App ist ebenfalls problemlos.
Reflex –
Great size to hide in the electrical box. Using in north canadian winters with no glitches.
Gvnmrao –
Connecting to network is super fast..Very easy to fix inside existing switch boardLoad can also be switched on/ off using existing switch..without distrubing scheduled timings.Good added feature on this version.
Hugo Valentim –
Easy to install and program and very helpful in the daily routine