YB4835VA Digital Voltmeter Ammeter DC 600V 100A Decimal Point Automatic Shift Dual Display Current Voltmeter Item Type: Digital Voltmeter AmmeterMaterial: ABSTechnical Parameters: Test Voltage Range: Range: 600V, test range (v) : 0-600V, resolution (v) : 1V, resistance(Ω) >2M Test Current Range: Range 100A, test range (A) : 0.0-99.9A, resolution (A) : 0.1A Product Size: Approx: 70x40x30mm/2.75x1.57x1.18in Installation Aperture: Approx: 68x38mm/2.67x1.49in Measurement Accuracy: 1% (±1 bit) Measurement Rate: ≥500mS/ time Working Environment: Operating Temperature: -10-+65℃ Working Humidity: 10 - 80% (no condensation) Working Pressure: 80 -106kPa Operating Current: <20mA Supply Voltage: DC 3.5-30V Sun Exposure: Not direct exposure Display Mode: All three digits 2x0.39in LED