**Product Description: Advanced Brake Fluid Moisture Tester for Precision and Convenience** - **High Precision Testing**: Experience unparalleled accuracy with the brake fluid moisture tester, offering precision up to 0.2%. With 21 levels of test results displayed on a vibrant color LCD screen, you gain a comprehensive and precise understanding of your brake fluid condition, ensuring optimal vehicle safety and performance. - **Automatic Shutdown Function**: Designed with efficiency in mind, this brake fluid tester features an automatic shutdown function that activates after 5 minutes of inactivity. This smart feature conserves battery life and extends the lifespan of the device, making it a reliable tool for long-term use. - **Adjustable Calibration**: Achieve the highest level of accuracy with the adjustable calibration feature. The device includes an independent fine-tuning calibration hole, allowing users to adjust the calibration for the most precise results, ensuring confidence in every test. - **Battery-Powered Portability**: Powered by two AA batteries, this tester is both portable and convenient. Its compact design makes it perfect for use in various locations, whether at home, in the garage, or on the go, providing flexibility and ease of use wherever you need it. - **Wide Compatibility**: The automotive brake fluid tester is capable of detecting five types of brake fluids: DOT3, DOT4, DOT5.1, ENV4, and ENV6. This broad compatibility makes it an essential tool for most vehicle owners and mechanics, ensuring comprehensive coverage for diverse automotive needs. Upgrade your automotive maintenance toolkit with this advanced brake fluid moisture tester, designed to deliver precision, convenience, and reliability. Its high precision testing, automatic features, and wide compatibility make it an indispensable accessory for ensuring the safety and efficiency of your vehicle's braking system.