REVERSE CONNECTION: This 12V voltmeter is easy to read and can monitor 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 digits are easy to read and provide clear visibility even in low-light conditions. SIMPLE AND COMPACT: Small size and easy to install, ideal for voltage testing applications. Waterproof and durable construction ensures a long service life. Measures voltage range from 8V to 26V. WIDELY USED: Suitable for various voltage measurement applications. Compatible with 12V and 24V systems. Ideal for use in motorcycles, RVs, SUVs, ATVs, boats, trucks, tractors, substation automation, distribution panels, test equipment, and voltage regulators. Color: Black Material: Plastic + Metal Package Contents: 1 x Car Voltmeter Gauge 2 x Insulated Terminals 2 x Screws 2 x Wires Note: Light reflection and screen differences may cause slight variations in color appearance. Measurement may vary by +/- 1-3 cm.