The Sonoff RF Bridge can convert 433MHz RF controlled devices to be App remote controlled devices. It supports to learn with 433MHz RF Remote, thus you can control those 433MHz RF devices (like 433MHz RF switch, RF socket, RF bulb) on the App EWeLink. Besides, it can work with 433MHz RF curtain switch, 433MHz RF door sensor,433MHz RF IR sensor and more. By working with the RF sensor, the APP can receive alarm notification messages.
The RF Bridge is compatible with Amazon Alexa and Google Assistant.
Buy Sonoff RF Bridge 433: [ Ссылка ]

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