Experience precise voltage monitoring with this high-quality two-wire 3.0-30V DC voltmeter, designed for practicality and durability. Featuring a sealed plastic waterproof shell with a convenient folding design, this voltmeter offers reliable protection and ease of use in various environments. The clear 0.28-inch digital LED display ensures easy readability of voltage data, making it ideal for a wide range of electrical and electronic applications. Key Features: · Wide Voltage Range: Accurately measures DC voltage from 3.0V to 30V, suitable for diverse low-voltage systems. · Sealed Waterproof Plastic Shell: Provides durability and protection against moisture, enhancing longevity and reliability. · Compact Folding Design: Convenient for installation and maintenance in tight or challenging spaces. · Clear Digital Display: 0.28-inch LED digital tube offers clear, easy-to-read voltage data with multiple color options including red, yellow, green, and blue. · High Precision and Reverse Polarity Protection: Ensures accurate voltage readings and safeguards the device against reverse connection damage. · Automatic Decimal Point Adjustment: Simplifies reading by automatically positioning the decimal point for optimal clarity. · Low Power Consumption and Fast Response: Operating current under 30mA with a quick 200ms measurement rate for real-time monitoring. Specifications: · Material: Plastic · Weight: 10g (0.35oz) · Input Voltage Range: 3.0 – 30V DC · Measuring Voltage Range: 3 – 30V · Output Voltage: 3.5 – 30V · Operating Voltage: Low 3.5V, High 30V · Operating Current: <30mA · Measurement Rate: 200ms per reading · Operating Temperature: -10℃ to 65℃ · Measurement Accuracy: ±3% · Display: 0.28 inch LED digital display · Working Humidity: 10% – 80% (non-condensing) · Operating Pressure: 80 – 106kPa · Display Colors: Available in Red, Yellow, Green, Blue (optional) Package Includes: · 1 x LED Digital Voltmeter · 1 x Cable This LED digital voltmeter is an essential tool for monitoring DC voltage with reliability and precision. Its waterproof design and user-friendly display make it ideal for automotive, DIY electronics, and other voltage-sensitive applications. Ensure accurate voltage readings and protect your electrical systems easily with this durable and compact voltmeter.