Intelligent WiFi switchThe Sonoff brand smart switch also has a power measurement function. The module controls lighting. appliances and motorized objects. The product is TUV certified and has a high level of reliability and quality. FunctionsW
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DUALR3 works with other SONOFF products like L1. In this mode, the electtical appliance loads of DUALR3 will always remain on, the relay state will
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