Sonoff S-Mate

Sonoff S-Mate
The Sonoff S-Mate is a compact, battery-powered module that transforms your ordinary wall switch into a smart controller—without needing a neutral wire. Designed to work with 1/2/3-button switches, it pairs effortlessly with the MINI R4 or other eWeLink-Remote gateway devices for flexible remote control, even without internet access.

Whether you're using a pulse or rocker switch, the Sonoff S-Mate adapts easily and enables both local and remote automation. Once paired, you can control other smart devices in your home through eWeLink scenes or locally when the internet is unavailable.

Take advantage of powerful features like “eWeLink-Remote” control, compatibility with a wide range of switches, and long-range wireless functionality—all in a compact design. Perfect for those looking to upgrade their existing switches to smart technology without rewiring.

Features

• “eWeLink-Remote” Control – Works seamlessly with MINI R4, M5, and S40 plugs for flexible control

• Offline & Online Smart Control – Trigger smart scenes even without internet access

• Universal Compatibility – Suitable for most switch types: pulse, rocker, and more

• Compact Smart Switch Mate – Ideal for use with MINI R4, M5 smart wall switch, and S40/S40 LITE smart plug

Specifications

• Input: 100-240V~50/60Hz 16A Max

• Output: 100-240V~50/60Hz 16A Max

• Battery Model: CR2032

• Dimensions: 51×44.5×24mm

• Shell Material: PC V0

• “eWeLink Remote” Working Distance: Up to 50m in Open Space

• Operating Temperature: -10°C to 40°C

• Compliance: LoA and ICASA approved