Sonoff Mini R3 - small WiFi + eWeLink-Remote (Bluetooth) smart relay switch with DIY mode (REST API) - eWelink Store
Tutorial - Compatible Pairing Mode
SONOFF S-Mate Light Switch Mate,No Neutral Wire Solution, Works with MINIR3 Smart Light Switch.
SONOFF S26 WiFi Smart Socket Wireless Plug Power Switch User Manual
SONOFF S20 WiFi Smart Socket Wireless Plug Power Switch User Manual
Quick Pairing Mode
How to pair Sonoff T1 with eWeLink in Quick Pairing Mode
User Guide For SONOFF & SLAMPHER - Geekworm Wiki
SONOFF Smart WiFi Light Switch 10A 2200W, Smart Switch Universal DIY Module for Smart Home Automation, Works with Alexa & Google Home, Compatible with ...