• Durable and Corrosion-Resistant

Koirerooy professional brake fluid tester features a premium corrosion-resistant probe for long-lasting performance. Its rugged construction ensures reliable operation even with frequent daily use, making it an essential tool for your vehicle maintenance toolkit.

• Fast and Accurate Digital Measurements

Koirerooy brake fluid moisture tester delivers quick and precise readings with 0.3% accuracy across a 0% to 4% measurement range. It is pre-calibrated for DOT3, DOT4, and DOT5.1 brake fluids, providing reliable results to help you maintain optimal brake system performance.

• Intuitive 3-Color Backlight & Audible-Visual Alarm

This tester features a high-definition 3-color backlight screen that automatically matches the moisture level: green backlight for 0-2%, yellow for 2-3%, and red for levels above 3%. It also includes a data hold function and buzzer alarm that sounds immediately when moisture exceeds the 3% safety limit, reminding you to change brake fluid promptly.

• Convenient Power & Universal Use

With its compact and portable design, this tester is easy to carry and store. It comes with 2 x 1.5V AAA batteries for immediate use and operates reliably in temperatures from 0 C to 40 C. Its user-friendly interface makes it perfect for both professional mechanics and DIY car enthusiasts.

What's in the box
1 x Brake Fluid Liquid Tester
2 x Batteries