The Sonoff is a device that you put in series with your power lines allowing you to turn any outlet from anywhere in the world using the sonoff device.
SONOFF MINIR3 Smart Switch Module WiFi Wireless Light Switch Support OTA Upgrade/DIY Mode for Smart Home Wholesale
Appliances, via the APP eWeLink. The cloud server of Sonoff RF is AWS global server. It is a wireless electrical switch that can connect to a
Sonoff RF WiFi Smart Switch + 433Mhz Wall Transmitter Light Control eWelink APP
SONOFF Basic WiFi Switch Works with Alexa for Google Home Timer 10a/2200w Wireless Remote Switch for Android/ App Control for Electric Appliances
: Tools & Home Improvement
Sonoff Wifi Switch, USB DC5V Wireless Relay Module Smart Home Automation Modules APP Remote Control Timer Switch Voice Control with Alexa Google Home
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SONOFF RFR2 – WiFi Wireless Smart Switch With RF Receiver
Teardown: Smart Home WiFi Switch Module
Sonoff RF- WiFi Wireless Smart Switch With RF Receiver For Smart Home
Sonoff Dual Power Metering WiFi Wireless Smart Switch - 505002 - 3D Printing Sonoff Raspberry Pi Arduino Sensor Shields Tools
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Sonoff - Wi-Fi Wireless Smart Switch - Review & Demo