Features: 1. Performance: The voltmeter features an automatic decimal point shift design, offering strong anti-interference capability and fast display refresh speed. 2. Same Screen Display: Compact design allows simultaneous display of voltage and current on the same screen. 3. Excellent Performance: Utilizes precise SMT technology and a clear digital display for an enhanced visual experience. 4. Application: Suitable for monitoring batteries, DC adjustable power supplies, or other equipment for voltage and current changes. 5. Durable Construction: Made with high-strength ABS material for durability, high efficiency, and stable performance. Specification: Item Type: Digital Voltmeter Ammeter Material: ABS Technical Parameters: Test Voltage Range: 0–600V, Resolution: 1V, Input Impedance: >2MΩ Test Current Range: 0.0–99.9A, Resolution: 0.1A, Range: 100A Product Size: Approx. 70 x 40 x 30mm (2.75 x 1.57 x 1.18in) Installation Aperture: Approx. 68 x 38mm (2.67 x 1.49in) Measurement Accuracy: 1% (1 digit) Measurement Rate: 500ms per reading Working Environment: Operating Temperature: -10°C to +65°C Working Humidity: 10–80% RH (non-condensing) Working Pressure: 80–106kPa Operating Current: Not specified