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Smart switch WiFi Sonoff Dual R3 PLET FJERNELSE kontrolleret adgang med SmartCardIntelligent Wi Fi switch The 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. Functions With the Dual R3 you can remotely close, for example, external blinds, curtains, open windows, close the garage door, turn off the grill, etc. The smart switch from Sonoff also has a schedule function, with