Efficient reading This antifreeze coolant tester requires no batteries and quickly provides measurement results with an intuitive dial design and a clear, instant display. It enables easy testing without extra steps, complications, or waiting times. Full analysis Get a comprehensive assessment of antifreeze status with this tester. It can perform multiple key indicator tests and integrates a frost protection density test, freezing point measurement, and specific measurement. Built to last Made from high-quality materials, this tester is built to endure. Its robust, wear-resistant design maintains optimal performance after prolonged use, making it a reliable choice for any car owner or enthusiast. Effortless use Fast detection efficiency means tests can be completed in seconds. Only a few simple steps are required, simplifying use and providing quick solutions for daily maintenance or inspection. Use scenarios - Pre-winter preparation: Quickly verify antifreeze strength, frost protection density, and freezing point to prevent engine damage in cold weather. - Routine vehicle service: Use during regular maintenance to confirm coolant condition and readiness without delays. - DIY car care: Check coolant status after long trips or after topping up to ensure proper performance and protection.