REVERSE CONNECTION: This 12V voltmeter is easy to read and monitors battery voltage in real time. It features reverse connection protection to help safeguard the device and allows for clear visibility of battery status. Detect battery voltage levels from fully charged to discharged with this DC voltmeter. REAL-TIME VOLTAGE DISPLAY: Digital voltmeter with accurate 3-digit LED display. The red LED screen provides clear visibility, making it easy to read numbers even in low light or at night. SIMPLE AND COMPACT: Small size and easy to install, ideal for voltage testing applications. Waterproof and durable construction ensures long service life. Digital car voltmeter with measuring range: 8V – 26V. WIDELY USED: Suitable for various voltage measurement purposes. 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 differences in display screens may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.