- Precise Voltage Measurement: The 56-inch digital 2-line LED voltmeter ensures accurate voltage readings, with a user-friendly 2-line design that simplifies wiring and includes reverse connection protection. - No External Power Supply Needed: This voltmeter utilizes the measuring voltage itself as its power source, eliminating the need for an external power supply. It can measure voltages ranging from DC 5V to DC 30V. - Bright LED Display: The clear and bright LED display makes it easy to read measurements. The automatic motion display feature enhances user comfort. - Calibration Capability: If slight measurement errors occur, the built-in potentiometer on the circuit board allows for precise calibration. - High Accuracy and Stability: This voltmeter provides exceptional accuracy and stability in measurements. It is designed for easy installation and is adaptable to various applications, with a working voltage starting as low as 5V for red, 4.7V for green, and 5.0V for blue. - Product Specifications: - Model: DSN-DVML-568-2 - Measuring Range: Red DC 5.0-30.0V, Green DC 4.70-30.0V, Blue DC 5.00-30.0V - Power Supply: No external power supply required; uses test voltage directly. - Practical Applications: - Ideal for monitoring voltage in battery systems, ensuring optimal performance and safety. - Suitable for use in DIY electronics projects where precise voltage readings are essential. - Perfect for automotive applications, providing real-time voltage monitoring for vehicle electrical systems.