Brake Fluid Tester Pen, Automatic Brake Oil Moisture Analyzer with 5 LED Indicators for DOT3, DOT4, DOT5

High-Precision Safety Driving --- High-quality probe, high-precision result, remind you to perform routine maintenance and stay safe while driving.

Universal Fit --- Universal probe fits most vehicles using DOT4, DOT3, and DOT5 brake fluids/oil/brake fluid.

Easy to Confirm --- 3-color LED display shows 5 levels of brake fluid status, easy and clear reading in sunlight or at night. Never limited by the environment.

Instant Result Takes only seconds to get results, quickly test your car's brake fluid quality to check if it's up to standard, very easy to use.

Scope of Application Extremely convenient for personal use and widely used in individual workshops, repair shops, and dealerships.