Brake Fluid Tester LCD Display Digital Brake Fluid Tester DOT3 DOT4 DOT5.1 Tester with Sound Prompt Flexible Probe Storage CaseFeatures:Quick Detection: The brake fluid tester can quickly measure the water content in the brake fluid to determine whether the brake fluid needs to be replaced.Universal Fit for DOT3/DOT4/DOT5.1 Brake Fluid Detection: The brake fluid tester can support 3 brake oil type detection and detect DOT3/DOT4/DOT5.1 brake fluid.LCD Display: The brake fluid tester is equipped with an LCD screen, which can intuitively and clearly display the percentage of brake fluid water content, allowing you to view the test results at a glance. It is also equipped with a backlit button. One key to open, no matter how dark it is, you can read the data clearly.Sound Alarm: When the water content is over 3%, the brake fluid tester will emit an alarm to remind you to change the brake fluid immediately to ensure safety.235mm Flexible Probe: The brake fluid tester is equipped with a 235mm metal probe, which can be bent at will, allowing easy access and flexible testing even in hard-to-reach areas.Specifications:Item Name: LCD Display Digital Brake Fluid TesterMain Material: Plastic, MetalPower Supply: 4 * AAA Battery (Included)Color: BlueSize: 16*4.5*3.3cmWeight: 150gPackage Information:Package Size: 240*220*55mmPackage Weight: 500gPackage List:1 * Digital Brake Fluid Tester4 * AAA Battery1 * Storage Case1 * Product Qualification1 * Manual