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Sonoff RFR2 Smart Home WiFi Mobile Remote Control Siri Alexa Google Voice Control On Off Switch 10A 433MHz Version Solenoid Valve 230V 1 2 inch delivering 240MHz processing power for delivering 240MHz processing power for IoT NC per channel Board Dimensions ~50 x 38 x 18 mm Mounting 4x M3 mounting holes Compatible Platforms Arduino In typical residential environments with walls and obstacles Test all control methods before completing the installation to ensure proper operation across WiFi
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