Upgrade your vehicle with the DC 8-100V LED Digital Voltmeter. This waterproof voltage tester and battery capacity indicator is suitable for cars, motorcycles, and boats. Key features include voltage display, power-off save function, low-pressure alarm, and customizable backlight settings. Compatible with a variety of battery types, this product offers a wide voltage measurement range of DC 7-100V. Easy to read on its wide-viewing angle LCD color screen, this volt meter comes packaged with essential accessories for installation. Elevate your driving experience with this versatile and essential device.