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WiFi-powered energy meter and contactor controlMonitor the consumption of household appliances, circuits and office equipment (lighting, power lines, safety systems, heating and cooling, etc.) individually. The consumption of your entire house or the generation of electricity from solar panels with the world's only WiFi-powered energy meter with contactor control function.·Shelly EM·Two independant measuring channels·a contactor control (or load up to 2A)·365 days of internal memory in case wireless LAN is not available·Voltage measurement and configurable alarm messageThis text is machine translated.