Digital DC AC Power meter specifications: 

•  Measure Vrms, lrms, W, PF/Hz;
•  Measure AC, DC, AC+DC;
•  Automatic selecting, out of limit alarming, advance the work efficiency;
•  Voltage range: AC: 5-600V, DC: 1-600V. Current range: AC&DC: 0.005-20A with high measure accuracy. Auto range;
•  Accuracy: ± (0.4%reading + 0.1%range + 1digit).