Sonoff RF R3 WiFi Wireless Smart Switch with RF Receiver for Smart Home, Works with Alexa & Google Home Assistant… Price: $13,99 (as of 16/06/2021 17:27 PST- Details) & FREE Shipping.

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【DIY Mode】 The DIY Mode allows you to use the REST API to connect SONOFF BASIC RF R3 with your existing home automation system.
【 RF Remote control 】Turn on/off by 433MHz RF Remote indoors(433MHz not included, please purchase separately)