SONOFF RFR2 WiFi Wireless Smart Switch with RF Receiver for DIY Smart Home, Works with Alexa & Google Home Assistant, No Hub Required - Amazon.com
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SONOFF® Dual R2 Channel DIY WIFI Wireless APP Remote Control Switch Socket Module AC 90-250V For Smart Home | App remote, Wifi, Wifi wireless
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Sonoff Dual Channel DIY WiFi Smart Wireless Remote Control Module Power Switch for Smart Home, Support iOS and Android
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SONOFF DUALR3 Dual Relay Two Way Power Metering Smart Switch
Sonoff WiFi Switch 3-Pack Wireless Remote Control Electrical for Household Appliances,Compatible with Alexa DIY Your Home Via iPhone Android App - Amazon.com
Sonoff WiFi Wireless Switch, Build your Smart Home from $5 - Latest Open Tech From Seeed