The Automotive Battery Hydrometer is a must-have tool for any car owner or mechanic. It offers multiple functions, including measuring the specific gravity of battery electrolyte. Its high-precision sensor ensures precise and reliable measurement results, giving you peace of mind. The user-friendly interface makes it easy to use, even for beginners. Features -Color:Multi -Material:ABS and rubber -Size:16.50X7.00X4.50cm/6.48X2.75X1.77in -Note: Suitable for 6V\12V\24V. -Measures the specific gravity of the electrolyte in car batteries using a suction-type device. -Utilizes a high-precision sensor to ensure accurate and reliable measurements. - Features a user-friendly interface that is suitable for both car owners and mechanics, including beginners. -Designed to be compact and lightweight, making it convenient for outdoor battery testing. -Built with rubber and ABS materials, it is built to last and withstand the test of time. Package list: 3 x Hydrometer