Brake Fluid Liquid Tester, Auto Brake Diagnostic Testing Tool, Hydraulic Fluid Liquid Oil Moisture Analyzer with 5 LED Indicators, Auto Brake Diagnostic Testing Tool for DOT3 DOT4 DOT5 Brake Fluid

Green: Battery OK, that is, brake fluid does not contain water, Green / yellow: brake oil in water content of less than 1%, better brake fluid performance, ease of use., Green / yellow / yellow: brake oil in water content of about 2%, brake fluid can continue to use., Green / yellow / yellow / red: brake oil in water content of about 3%, the proposed replacement of brake fluid., Green / yellow / yellow / red / red: brake oil in water content of at least 4%, the brake fluid must be replaced immediately responsible for very dangerous., Function: The new pen type brake fluid moisture tester can widely test the percentage of moisture in brake fluid; the results appear within a few seconds, fast and simple. Compared with similar products, it's Faster and more accurate., Convenience: The brake fluid tester tool is simple and convenient. It only takes a few seconds to check the quality of car brake fluid. It is easy to operate for many new car owners. At the same time, its small size and easy portability.