Fangrui Product Details [bidirectional Metering] Monitor Your Production And Consumption At The Same Time.real-time Monitoring Your Home Electricity Usage. Whenever And Wherever You Are, You Can Easily View The Consumption Of Your In Real-time. [view Whats Working, Know Whats Off] Know Whether Your Are Working Or Not In Your Room In Real-time. You Can Easily View Your Rooms Energy Usage Through The Tuyasmart/smart Life App. [more Precise, More Intelligent] With Only A Margin Of Error, You Can Accurately Track Your Homes Energy Consumption, Saving You More Energy And Providing More Accurate Data. [a Clear Electricity Statistics] Shows The Consumption With A Clearly Electricity Statistics,which Can Be A Useful Tool To Help You Grasp The Energy Using Of Your And Provide You A Clear Direction To Take Actions. [configure The Alerts Of The Power Consumption] The Device Sends Notifications Through The App When The Consumption Surpasses The Set Value, Giving You Into Your Homes Power Usage. Model:smart Home Power Monitor Voltage:ac