Wired Power Failure Alarm Sensor esp32 gpio board support voice control by Alexa
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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Live Spec
Wired Power Failure Alarm Sensor esp32 gpio board support voice control by AlexaThe power off sensor will output N O and N C switching value signal, when any phase is power off from the phase A, phase B and phase C of the three phase AC, or the municipal power grid is power off.
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