This is a car brake fluid tester with a printer. It tests the water content of the brake fluid to determine if it needs to be changed. Applicable to DOT3/DOT4/DOT5.1, the data will appear on the screen accurately, which is convenient for technicians to know the brake fluid status in detail. Features: Supports real-time printing of measurement data and setting of data, VIN number, etc. One-click to switch detect three types of brake fluid: DOT3, DOT4 and DOT5.1. This automotive high-end technology brake fluid tester is equipped with a high-accurancy probe and is easy to operate. It is a practical tool in the automotive maintenance industry. Large and clear screen display for easier reading. Sound and light alarm, quickly detects water content. Specifications: Color: green+black Material: ABS Detect brake fluid type: DOT3, DOT4, DOT5.1 Operation temperature: 0-50 / 32-122 Item size: 235 * 90 * 55mm / 9.3 * 3.5 * 2.2in Package size: 300 * 170 * 65mm / 11.8 * 6.7 * 2.6in Package weight: 690g / 1.5lb Packing List: 1 * Print Paper 1 * Car Brake Fluid Tester with Probe 1 * Clip 1 * User Manual