Electricity Usage Monitor Easily measure the power consumption and cost of your electrical appliances. Simply plug the meter into the wall and then plug your appliance into the meter. it immediately starts recording the power consumption. Local electricity cost can be set in order to easily see the Electricity Expense in real time. With the help of this Power Meter Monitor, You can make certain how much your standby appliances cost, what the power factor is, whether the appliances are really charged, and how long have your appliances been charged. Mode 1: Time/Cumulative Electrical Quantity Display Mode 2: Time/Voltage Frequency Display Mode 3: Time/Current Frequency Display Mode 4: Time/Power Factor Display Mode 5: Time/Cost Display Mode 6: Time/Maximal Power Display Mode 7: Time/Minimum Power Display NOTICES: 1.Mode 7 can directly occur while press down the "cost" 2.Please read the numbers on the front angle of the LCD screen, not from the side view 3 .If an abnormal display appears or the buttons produce no response, the instrument must be reset. You can press the RESET to reset it SPECIFICATIONS: Frequency Display: 60Hz Dimensions: 6.1''x2.8''x1.2'' Operating Current: 15A Operating Voltage: 120V AC Frequency Display: 0Hz~9999Hz Wide Voltage Range: 110V-130V Voltage Display Range: 0V~9999V Current Display (amps): 0.000A~15.000A Timing Display Range: 0 second~9999 days Price Display Range: 0.00COST/KWH～99.99COST/KWH PACKAGE: 1 X Power Meter 1 X User Manual