Displays the energy cost of various electrical devicesHelps identify energy-intensive devicesDisplays power consumption, current and voltage consumption and conversion to costDisplays grid frequency, power factorVoltage: 180-250V ACFrequency: 50/60HzElectric shock protection class: IIP Rating: IP20Wattmeter power: 0.5WWorking temperature: 0-40 degrees CMeasurement accuracy: +/- 2%Built-in battery: NiMH 3.6V 20mAhMax 3680WVoltage measurement: 0.0-9999VCurrent measurement: 0.000-65.00APower measurement: 0.0-9999WFrequency measurement: 0-9999HzEnergy consumption (kWh): 0.000-9999 kWhUnit Price in shops: 0.00-99.99Total cost (calculated for a given device per time period) 0.00-9999