Detailed Product Description JY96-HzJY72-HzProduct name: JY96-HzJY-72Hz panel meterProduct category > analog panel meter > 9672 48seriesProduct model: JY-96 Hz JY-72HzAccuracy clsaa: 0.5 or 1.0Voltage: 110V,220V,380V,415V,440VFrequency: 45-55Hz,45-65Hz,55-65Hz,47-53Hz,57-63Hz,450-550Hz,450-650Hz,550-650Hz