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. 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 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. : Highresolution LCD display with backlit provides an intuitive interface for easy reading data even in the dark; An alarm 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 automatically shut down after 5 minutes of standby. Screen Display Results: After the test, the results be displayed directly on the high-definition screen to determine whether the brake fluid needs to be replaced.<br><br>Safety Tips: The brake fluid replacement cycle is generally 2 years. The brake fluid itself has strong water absorption properties, it absorb moisture in the surrounding air, such as car wash, moisture, etc. 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: plastic<br><br>Package Contents: 1 * Brake Fluid Tester<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.