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Sonoff S-MATE2 Smart Switch 3 Channels Wi-Fi (Without Neutral)
Intermediate Switches

Sonoff S-MATE2 Smart Switch 3 Channels Wi-Fi (Without Neutral) Code: 057927

Key features:

  • Range up to 100-150m
  • Operation Without Neutral
  • Control of up to 3 Independent Devices
  • Compatible with Fixed & Push Button Switches
See full description

  • Connectivity

    Wi-Fi

    The most common connectivity option for individual switches, as it connects directly to the router.

  • Usage

    Lighting

    For remote control of lamps and lighting fixtures.

  • Compatible Application

    The compatible app that you download to your mobile phone to control the switch remotely.

  • Wiring

    Without Neutral

    For installations where there is only 1 wire in the switch box on the wall (phase).
  • Dimensions 40.3x37.4x18.3mm
  • See all
Product report

Description

Description

Capabilities

The Sonoff S-MATE Extreme (also known as S-MATE2) is an ultra-compact module that transforms traditional wall switches into wireless remote controls. It uses advanced eWeLink-Remote technology, which is based on Bluetooth and offers much greater range and stability compared to old RF 433MHz technologies. It is the ideal solution for situations where there is no neutral wire in the switch box, allowing you to intelligently control relays (such as the Mini R4 or Basic R4) without additional wiring.

eWeLink-Remote Technology

The eWeLink-Remote technology is a revolution in local smart home control. It offers a range of up to 100-150 meters in open space (3 to 5 times greater than RF) and operates even if the home's Wi-Fi is out of service. Pairing is easily done through the app, without the need for physical access to the device, while devices equipped with an eWeLink-Remote receiver also function as local gateways for transmitting commands to other devices via the cloud.

Compatibility and Installation

The S-MATE2 has three inputs, allowing connection with single, double, or triple switches. It is compatible with both Toggle (fixed) and Momentary (push-button) switches, using a hidden switch on the side of the device. Thanks to its tiny size, it fits in all standard European and American electrical boxes, making it one of the most versatile solutions for modernizing traditional installations.

Specifications

  • Model: S-MATE2 (S-MATE Extreme)
  • Power Supply: CR2477 Battery (3V)
  • Battery Life: Long lifespan (Bluetooth Low Energy)
  • Wireless Protocol: eWeLink-Remote (Bluetooth)
  • Number of Inputs: 3 channels (control up to 3 devices)
  • Receiver Compatibility: Sonoff Mini R3, Mini R4, Basic R4, T5 Extreme
  • Dimensions: 40.3 x 37.4 x 18.3 mm
  • Operating Temperature: -10°C to 40°C
  • Color: White
  • Installation: Inside electrical box (EU/86/120 Type)
  • Scene Support: Ability to use the switches as Triggers in the eWeLink app

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
057927

Specifications

Switch Type
Smart Switch
Number of Channels
3

Number of Channels

Indicates how many different lamps or devices the switch can control independently. For example, a 1-channel switch controls one lighting circuit, while a 4-channel switch can manage up to four different devices from the same unit.
Usage
Lighting

Usage

Lighting

For remote control of lamps and lighting fixtures.
Dimensions (Spec Summary)
40.3x37.4x18.3mm

Smart Attributes

Connectivity
Wi-Fi

Connectivity

Wi-Fi

The most common connectivity option for individual switches, as it connects directly to the router.

Additional Features

With Remote Control
No

With Remote Control

It allows you to control the switch remotely with a remote control, without needing your smartphone.
Wiring
Without Neutral

Wiring

Without Neutral

For installations where there is only 1 wire in the switch box on the wall (phase).
Compatible Application
eWeLink

Compatible Application

The compatible app that you download to your mobile phone to control the switch remotely.

Features

Dimmer
No

Dimmer

It allows you to adjust the brightness of the lighting instead of simple on/off operation. Bulbs that support dimmable function are required.
Dry Contact
No

Dry Contact

Dry Contact. It gives you the ability to safely control devices that have their own power supply. It does not transfer current but allows you to control them remotely, without causing a short circuit or damage.
Consumption Measurement
No

Consumption Measurement

It allows you to see in real time how much electricity your connected device is consuming and to keep a usage history, through your smartphone and the compatible app.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Reviews (13)

Reviews

4.8
13
4.8
Review this product
  1. 12
  2. 4 stars
    0
  3. 1
  4. 2 stars
    0
  5. 1 star
    0
Review this product

Description & Specifications

Capabilities

The Sonoff S-MATE Extreme (also known as S-MATE2) is an ultra-compact module that transforms traditional wall switches into wireless remote controls. It uses advanced eWeLink-Remote technology, which is based on Bluetooth and offers much greater range and stability compared to old RF 433MHz technologies. It is the ideal solution for situations where there is no neutral wire in the switch box, allowing you to intelligently control relays (such as the Mini R4 or Basic R4) without additional wiring.

eWeLink-Remote Technology

The eWeLink-Remote technology is a revolution in local smart home control. It offers a range of up to 100-150 meters in open space (3 to 5 times greater than RF) and operates even if the home's Wi-Fi is out of service. Pairing is easily done through the app, without the need for physical access to the device, while devices equipped with an eWeLink-Remote receiver also function as local gateways for transmitting commands to other devices via the cloud.

Compatibility and Installation

The S-MATE2 has three inputs, allowing connection with single, double, or triple switches. It is compatible with both Toggle (fixed) and Momentary (push-button) switches, using a hidden switch on the side of the device. Thanks to its tiny size, it fits in all standard European and American electrical boxes, making it one of the most versatile solutions for modernizing traditional installations.

Specifications

  • Model: S-MATE2 (S-MATE Extreme)
  • Power Supply: CR2477 Battery (3V)
  • Battery Life: Long lifespan (Bluetooth Low Energy)
  • Wireless Protocol: eWeLink-Remote (Bluetooth)
  • Number of Inputs: 3 channels (control up to 3 devices)
  • Receiver Compatibility: Sonoff Mini R3, Mini R4, Basic R4, T5 Extreme
  • Dimensions: 40.3 x 37.4 x 18.3 mm
  • Operating Temperature: -10°C to 40°C
  • Color: White
  • Installation: Inside electrical box (EU/86/120 Type)
  • Scene Support: Ability to use the switches as Triggers in the eWeLink app

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
057927

Specifications

Switch Type
Smart Switch
Number of Channels
3

Number of Channels

Indicates how many different lamps or devices the switch can control independently. For example, a 1-channel switch controls one lighting circuit, while a 4-channel switch can manage up to four different devices from the same unit.
Usage
Lighting

Usage

Lighting

For remote control of lamps and lighting fixtures.
Dimensions (Spec Summary)
40.3x37.4x18.3mm

Smart Attributes

Connectivity
Wi-Fi

Connectivity

Wi-Fi

The most common connectivity option for individual switches, as it connects directly to the router.

Additional Features

With Remote Control
No

With Remote Control

It allows you to control the switch remotely with a remote control, without needing your smartphone.
Wiring
Without Neutral

Wiring

Without Neutral

For installations where there is only 1 wire in the switch box on the wall (phase).
Compatible Application
eWeLink

Compatible Application

The compatible app that you download to your mobile phone to control the switch remotely.

Features

Dimmer
No

Dimmer

It allows you to adjust the brightness of the lighting instead of simple on/off operation. Bulbs that support dimmable function are required.
Dry Contact
No

Dry Contact

Dry Contact. It gives you the ability to safely control devices that have their own power supply. It does not transfer current but allows you to control them remotely, without causing a short circuit or damage.
Consumption Measurement
No

Consumption Measurement

It allows you to see in real time how much electricity your connected device is consuming and to keep a usage history, through your smartphone and the compatible app.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (13)

4.8
13
4.8
Review this product
  1. 12
  2. 4 stars
    0
  3. 1
  4. 2 stars
    0
  5. 1 star
    0
Review this product
6,13 €
14,00 €   shipping cost