This devices is controlled by microcomputer.Number of channels con-trolled is 2,4,6,8,10,12 available. This devices is controlled by microcomputer.Number of channels con-trolled is 2,4,6,8,10,12 available.Main feactures: Rated working voltage: AC 380V or AC 220V Rated working current: AC0~5A Rated working frequency: 45Hz~65Hz Display power factor: Lag0.001~lead 0.001 Measuring reactive power: 0~ ...