REVERSE CONNECTION: This 12V voltmeter is easy to read and monitors battery voltage in real time. It features reverse connection protection to help prevent damage and allows for timely detection of battery voltage status from fully charged to discharged. REAL-TIME VOLTAGE DISPLAY: Digital voltmeter with a clear 3-digit LED display. The red LED ensures high visibility and easy reading, even in low-light conditions. SIMPLE AND COMPACT: Small size and easy to install, ideal for voltage testing applications. Waterproof and durable construction for long service life. Measures DC voltage range from 8V to 26V. WIDELY USED: Suitable for various voltage measurement applications. Compatible with 12V and 24V systems. Ideal for use in cars, motorcycles, RVs, SUVs, ATVs, boats, trucks, tractors, substation automation, distribution panels, test equipment, and voltage regulators. Color: Black Material: Plastic and metal Package Contents: 1 x Car Voltmeter Gauge 2 x Insulated Terminals 2 x Screws 2 x Wires Note: This package includes only the items listed above. Other accessories or products shown are not included. Note: Lighting effects and monitor settings may cause slight color variations between the product image and the actual item. Measurement may vary by +/- 1-3 cm due to manual measurement.