Sonoff Mini R4 Extreme Wifi Smart Switch Interruptor with Relay On-Off DIY Switch Module eWelink APP Control Works with Alexa

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Product Details

MINIR4 is a mini extreme WiFi smart switch equipped with ESP32 chip, that turns traditional switches into smart switches, automating lights and electronic devices, and tiny size fits in various mounting boxes, including the smallest EU-type/86 type/120 type mounting box. MINIR4 supports external switch control and easily connects to the momentary switch, door exit switch, SPDT switch, latching switch, and even dry contact sensors.

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. Such as, if you open detach relay” mode, when you turn off the light, your smart light won’t be offline, and you still can use App to control smart lights.

MINIR4 is a smart switch with the gateway function of “eWeLink-Remote“.After pairing with MINIR4, MINIR4 can be controlled locally by S-MATE through “eWeLink-Remote” signal, and trigger other smart devices in the smart scene.

【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.

Item Specifics
Casing Material:
PC V0
Size:
39.5x33x16.8mm
Input:
100-240V~50/60Hz 10A Max
Output:
100-240V~50/60Hz 10A Max
APP:
eWelink
Voice Control:
Alexa Google Home
Wifi Standard:
2.4G
External Switch Control:
momentary switch, door exit switch, SPDT switch, latching switch
Detach Relay Mode:
the states of external switches and relay are separated
Brand Name:
SONOFF
Specification:
EU Plug
Compatibility:
All Compatible
Model Number:
Sonoff Mini R4
Camera Equipped:
No
State of Assembly:
Almost Ready
High-concerned chemical:
None
Communication method:
Wi-fi
Origin:
Mainland China
Certification:
CE
Certification:
FCC
Certification:
RoHS
Certification:
UL
Choice:
yes
semi_Choice:
yes
Reviews
(67)
Write a Review
Verified Buyer
A***z
5 Mar 2026 00:00

Está bien de tamaño pero no lo he podido montar todavía

Verified Buyer
Customer
27 Feb 2026 00:00

Ottimo prodotto continuerò ad aquistare

Verified Buyer
Customer
24 Feb 2026 00:00

exelente producto funciona exelente

Verified Buyer
G***a
24 Feb 2026 00:00

Ottimo prodotto e consegna prima del previsto

Verified Buyer
D***a
20 Feb 2026 00:00

Ottimo

Verified Buyer
Customer
14 Feb 2026 00:00

É muito compacto, funciona muito bem, incluindo com botão de pressão, vou comprar mais e substituir todos os telerruptores.

Verified Buyer
Customer
12 Feb 2026 00:00

Super, fonctionne très bien

Verified Buyer
m***e
10 Feb 2026 00:00

Tutto ok

Verified Buyer
Customer
8 Feb 2026 00:00

All good

Verified Buyer
Customer
31 Jan 2026 00:00

es muy compacto. lo instalaré para comprobar su funcionamiento

Verified Buyer
c***c
30 Jan 2026 00:00

Il prodotto è ottimo per tutto, per chi è interessato può tranquillamente acquistarlo.

Verified Buyer
Customer
27 Jan 2026 00:00

excelente llego en perfectas condiciones muy bien empaquetado

Verified Buyer
M***o
20 Jan 2026 00:00

da provare

Verified Buyer
Customer
14 Jan 2026 00:00

eccellente. una garanzia

Verified Buyer
M***a
14 Jan 2026 00:00

Excelente producto a muy buen precio.

Verified Buyer
M***S
13 Jan 2026 00:00

È il secondo che compro. Mi interessa perché compatibile con matter

Verified Buyer
A***a
10 Jan 2026 00:00

ok

Verified Buyer
P***r
10 Jan 2026 00:00

Oryginalny Sonoff, oryginalna wielkość obudowy

Verified Buyer
A***a
9 Jan 2026 00:00

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

Verified Buyer
P***a
9 Jan 2026 00:00

Everything OK!

Verified Buyer
Customer
8 Jan 2026 00:00

Funktioniert

Verified Buyer
M***a
1 Jan 2026 00:00

Funziona perfettamente e il pairing è avvenuto in un secondo con l’applicazione eWeLink. Peccato che non sia compatibile con l’applicazione SmartLife

Verified Buyer
Customer
31 Dec 2025 00:00

excelente producto, esta es mi 5ta compra, muy fácil de instalar

Verified Buyer
i***i
24 Dec 2025 00:00

sembra ottimo ancora nn testato

Verified Buyer
G***e
19 Dec 2025 00:00

good

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Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

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