1. EASY TESTING This antifreeze coolant tester requires no batteries and provides instant measurements. The traditional dial design ensures an intuitive and clear reading, so you can quickly see the results. 2. MULTIPURPOSE TOOL Comprehensively evaluate antifreeze status with a tool that integrates multiple key indicator tests, including antifreeze density, freezing point, and specific measurements. 3. BUILT TO LAST Made from high quality materials with a robust and wear resistant design, this tester delivers reliable performance even after prolonged use. 4. EFFORTLESS USE Fast detection lets you complete tests in seconds. A few simple steps are all that is required, making it suitable for daily maintenance or inspections. Applications and use scenarios - At home automotive maintenance: quickly check coolant density and freezing point before seasonal driving or long trips. - Vehicle service and winterization: screen coolant condition during routine service or prior to cold weather to prevent engine damage. - Fleet or multi-vehicle checks: efficiently test multiple vehicles in a workshop or shop setting with fast, battery-free readings. Key benefits - Battery-free operation for convenient, ready-to-use testing any time - Clear dial readings for quick interpretation of antifreeze density, freezing point, and related measurements - Durable build with wear-resistant materials for long-term reliability - Simple, fast testing process that saves time during routine maintenance or inspections