AC Power Meter 230V 50Hz US & EU Plug In Socket Analyzer Digital Wattmeter Watt Energy Monitor Display Time Volt Amp Herz Watt KwhPower meter is a monitoring and testing instrument which determine the power comsumption of a connected appliance and the cost of the electricity consumed.Installing the battery-Install 3.6V rechargeable battery(NI-MH)Reset functionOverload DisplayTechnical SpecificationEU PlugOperating Voltage: 230V ACFrequency display: 50HzWide voltage range: 230V-250VOperating current: max 16AWattage display(watts): 0-3680WCurrent display(amps): 0.0A-16.0APrice display range: 0.00€/KWH-99.99€KWHTotal KWh and cost display: 0.000KWH-9999KWH 0.00€-9999€US PlugOperating Voltage: 120V ACFrequency display: 60HzWide voltage range: 110V-130VOperating current: max 15AWattage display(watts): 0-1800WCurrent display(amps): 0.0A-15.0APrice display range: 0.00€/KWH-99.99€KWHTotal KWh and cost display: 0.000KWH-9999KWH 0.00€-9999€Display modeMode 1-Time/Watt/Cost displayMode 2-Time/Cumulative electrical quantity displayMode 3-Time/Voltage/Frequency displayMode 4-Time/Current/Power Factor displayMode 5-Time/Minimum power displayMode 6-Time/Maximal power displayMode 7-Time/Price display