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Sonoff 4CH Pro R2 WiFi Smart Switch interlock/self-locking/inching RF 433.92MHz - MEGATEH.eu Online shopping EU
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Sonoff 4CH/PRO R3 Smart Wifi Switch Smart Home 4 Gang Interlock self-locking Inching Lock Mode Smart RF Switch Work With Alexa - AliExpress
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Smart irrigation using a Sonoff 4CH Pro R2 flashed with Tasmota and SmartThings webCoRE for the logic. : r/sonoff
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