Dual display: simultaneous display of battery voltage and temperature in the vehicle in Fahrenheit. Supports 12V or 24V input voltages, with a temperature measuring range from -12 to 160F. External temperature sensor ensures accurate readings by avoiding direct heating and sunlight. Safe to use and easy to read: The meter has a built-in fuse that ensures safe use without damaging your car. The bright and clear LED display makes it easy to read even in low light conditions. Excellent performance: Made from high-quality materials such as ABS and metal, the device is wear and oxidation resistant. It offers low power consumption, fast measurement and high reliability, enabling real-time monitoring. Easy installation: The device is connected to the cigarette lighter and requires no additional modifications, saving time and effort. Its design makes it easy to install and use. Multifunctional: The LED gauge displays the vehicle voltage and water temperature with high accuracy. Its blue LED light allows for easy viewing from all angles and in all lighting conditions. Simultaneously displays battery voltage and interior temperature in Fahrenheit. With built-in fuse and clear LED display that is readable even in low light. Made of ABS and metal, it is durable, consumes little power and measures quickly. Connects to the cigarette lighter without additional modifications. Accurately displays vehicle voltage and water temperature with blue LED light that is visible in all conditions.