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Power Meter is a monitoring and testing instrument which determines the power consumption of a connected appliance and the cost of the electricity consumed. Built-in 3.6V rechargeable Batteries ( . The purpose of the batteries is to store the total electricity and memory 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...