Wide Application: BF100 brake fluid tester is a universal fit for most vehicles; Very convenient to use, and broadly applied in individual workshops, repair factories, and dealer workshops. KINGBOLEN BF100 brake fluid tester can be used in all models, whether it is a car, SUV, truck, golf cart, etc... High Precision Universal Probe: It is made of special materials that can be resistant to oils and oxidation, and not easily corroded; Very fast and accurate to test DOT-3, DOT-4, .and DOT-5.1 brake fluid, only takes seconds to know the results. Special Design: Highresolution LCD display with backlit provides an intuitive interface for easy reading data even in the dark; An alarm will be given if the brake fluid contains too much water. Energy Saving and Environmental Protection: Our automotive brake fluid tester has an automatic shutdown function(power-saving), it will automatically shut down after 5 minutes of standby. Screen Display Results: After the test, the results will be displayed directly on the high-definition screen to determine whether the brake fluid needs to be replaced. Note: 1. AAA battery is not included in the package 2. After use, please clean up the residual stains on the probe that might affect the test. 3. If in use for a long time, you'd better remove all batteries and store in a dry place at a normal room temperature. Color: Black Material: ABS Package Contents: 1pcs Car Brake Fluid Tester