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Sonoff RF R2 WiFi Smart Switch Wireless Smart Home Automation 433Mhz RF Switch Module Remote Control With eWelink App - AliExpress
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Sonoff RF Smart WiFi Switch Wireless 433MHz Remote Controller Receiver Home Automation Assistant Relay Module Timer
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SONOFF RFR2 Smart Switch PIR3-RF – 433MHZ RF PIR Motion Sensor RF Bridge DW2-RF Door/window Sensor Remote Work With eWelink APP - AliExpress
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