Mini Power Meter ,Power Meter,meter, This power meter can indicate working voltage, power, electrical quantity, cost setting and working condition. ... The range of measuring Voltage110~280V,Power 1~3000W,Coulometer 0.0001~9999AH,Time: 0~60 ... with time) LCD screen, plus 4 decimalsCompression of power frequency AC220v power supply,input /output time ≥AC2kV/min.1mAWorking Conditions ...