High Precision Brake Fluid Tester with Color LCD Screen for DOT3 DOT4 DOT5.1 ENV4 ENV6 Car Brake System Features: 1. High Precision Testing: The brake fluid moisture tester offers high precision testing with an accuracy of up to 0.2%. With 21 levels of test results displayed on a color LCD screen, users can get a comprehensive and precise understanding of their brake fluid condition. 2. Automatic Shutdown Function: This brake fluid tester is equipped with an automatic shutdown function. It activates after 5 minutes of inactivity, helping to save battery power and extend the device's lifespan. 3. Adjustable Calibration: The device includes an independent fine-tuning calibration hole, allowing users to adjust calibration accuracy for reliable and consistent results. 4. Battery-Powered: Powered by two AA batteries, the tester is portable and convenient for use in various locations, whether at home, in a garage, or on the go. 5. Wide Compatibility: The automotive brake fluid tester is designed to detect five types of brake fluids: DOT3, DOT4, DOT5.1, ENV4, and ENV6. This broad compatibility makes it a valuable tool for vehicle owners and professionals. Specifications: - Main Material: ABS - Measuring Range: DOT3, DOT4, DOT5.1, ENV4, ENV6 - Battery: 2 x AA alkaline batteries (not included) - Product Color: Blue - Package Size: 25 x 15 x 4 cm / 9.84 x 5.91 x 1.57 inches - Package Weight: 250 g / 0.55 lb Package List: 1 x Brake Fluid Tester