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Sonoff 4CH PRO (R3) WiFi + RF smart relay switch with 4 channels, NO/NC and dry contact support - eWelink Store
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SONOFF 4CH R3/PRO R3 ITEAD RF 433MHz 4 Gang WiFI Switch 3 Working Modes Inching/Self-Locking/Interlock WiFi Smart Switch Compatible with Amazon Alexa & for Google Home/Nest Smart Home - Newegg.com
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Sonoff 4ch R3/pro R3 433mhz Wifi Switch Inching/self-locking/interlock Wifi Smart Switch Work With Amazon Alexa Google Home - Automation Modules - AliExpress
![SONOFF 4CH R3 Smart Switch,4 independently Channel WiFi Remote Time Switch, LAN Control, Inching/Self -Locking Mode, Works with Alexa,& Google Home Assistant - - Amazon.com SONOFF 4CH R3 Smart Switch,4 independently Channel WiFi Remote Time Switch, LAN Control, Inching/Self -Locking Mode, Works with Alexa,& Google Home Assistant - - Amazon.com](https://m.media-amazon.com/images/I/51OMVYrzaRL.jpg)
SONOFF 4CH R3 Smart Switch,4 independently Channel WiFi Remote Time Switch, LAN Control, Inching/Self -Locking Mode, Works with Alexa,& Google Home Assistant - - Amazon.com
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