It is a tester of the brake fluid of a car with a printer. Checks the water content of the brake fluid to determine if it needs to be replaced. In the case of DOT3/DOT4/DOT5.1, the data will be displayed on the screen exactly, which is convenient for technicians to know the condition of the brake fluid in detail. Characteristics: Supports real-time measurement data printing and data setting, VIN number, etc. One click to switch detects three types of brake fluid: DOT3, DOT4 and DOT5.1. This high-end tester do automotive brake fluid is equipped with a high-accuracy probe and is easy to operate. It is a practical tool in the automotive maintenance industry. Alarm sound and light, quickly detect water content. Technical data: Color: green black; Material: ABS Detect brake fluid type: DOT3, DOT4, DOT5.1 Operating temperature: 0 -50 / 32 -122 Product Size: 235*90*55mm/9,3*3,5*2,2inch Package Weight: 690g / 1,5lb List of things do packing: 1 * make paper do printing 1 * Tester car brake fluid with probe 1 * clip 1 * User Manual