Voltmeter tester, 12V LED voltage display tester, digital indicator for boats and vehicles, waterproof.

Real-time voltage display: The battery voltmeter features a 3-color LED screen to display different voltage states, allowing for clear verification of the vehicle's battery condition and improved safety. Product specifications: 15V voltage range, red LED (11.3V-11.9V) indicates the battery needs replacing, yellow LED (12.0V-12.5V) indicates normal operation with the engine off, green LED (12.6V-15V) indicates normal operation with the engine running. Wide compatibility: This motorcycle voltmeter is compatible with most 12V DC vehicles, such as motorcycles, cars, boats, ATVs, UTVs, RVs, caravans, etc. Easy to use: The car battery voltmeter features a user-friendly system With its rotating mounting, it is compact and easy to install, ideal for checking voltage. Two short wires are included for installation. Reverse polarity protection: This motorcycle battery voltmeter monitors battery voltage and is protected against reverse polarity. It allows you to quickly determine your battery's state of charge. The voltage measurement can also be used for other devices.