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 ... of power frequency AC220v power supply,input /output time ≥AC2kV/min.1mAWorking Conditions Temperature -10~60°C Humidity 10~95% RH Mini Power Meter ...