Feature: 1. Wide Application: The automotive brake fluid tester is a commonly used tool for most vehicles. Convenient for individual use and widely utilized in individual workshops, repair shops, and dealership garages. 2. Accuracy Testing and Universal Probe: With high sensitivity and accuracy, this tester swiftly and accurately examines DOT 3, DOT 4, DOT 5.1 brake fluids, providing results in seconds. The flexible gooseneck probe enhances detection efficiency and flexibility, even allowing color observation with a top mounted flashlight. 3. Real Time Readings: Combining a high sensitivity probe, high resolution screen, this tester displays results immediately. The backlit large screen ensures easy readability under any lighting condition, and reminds you to excessive water in the brake fluid, prompting timely replacements. 4. Ergonomic Design: Featuring excellent build quality, compact size, and a comfortable grip, this device is oil resistant, and erosive resistant on the gooseneck appearance. 5. Convenient and Portability: The automotive brake fluid tester is compact and lightweight, making it easy to carry and use on the way. Its ergonomic design and simple control panel ensure easy use, ideal for quick and efficient brake fluid testing wherever you are. Specification: Item Type: Brake Fluid Tester Material: ABS Battery: 2 x AAA Battery (batteries not included) Testing Range: 0% to 4% Error Range: ±0.3% Brake Fluid Types: DOT3, DOT4, DOT5.1 . Package List: 1 x Brake Fluid Tester 1 x User Manual