The Best Electricity Usage Monitors 

Our wattmeter uses kilowatt hours as a unit to calculate power consumption through Watt, current, voltage, frequency and power factor. It has 4 independent keys for you to quickly access different power parameters! The LCD displays an overload warning. When the whole power exceeds the rated power, the crystal display will display "overload", give a loud noise warning to the user, and automatically disconnect the power supply. Installing the batteries Install 3.6V rechargeable Battcrics(NI-MH) . The purpose of the batteries is to store the total electricity and mcinory setting. Resetting If an abnormal display appears or the buttons produce no response, the instrument must be reset. To do this,press the RESET button. Display Mode Entire LCD can be displayed for about 1 minute and then it automatically gets into Model. To transfer from one mode to the other, press the FUNCTION button. Mode 1: Time/Watt/Cost Display Display duration(how long) this device…