1. Accuracy class: I F 0.2class ,P Q 0.5class,active power:0.5class,reactive power:1class
2.Display:LCD bule or LED red
3.Power supply:AC,DC 85-265V AC220V
4.Power consumption:<5VA
5.Three phase three lines.three phase four lines
6.Input voltage:AC100V 220V 380V input current:AC1A AC5A
7.Frequency:45-55HZ