Automotive Brake Fluid Tester with LCD Screen, Printing and Audible/Visual Alarm for DOT3/DOT4/DOT5.1

🔧 General Description: DY23D Automotive Brake Fluid Tester with LCD screen, audible & visual alarm, and built-in printer. Ideal for accurately diagnosing the moisture content of DOT3, DOT4, or DOT5.1 brake fluid — a must-have for auto mechanics, garage owners, and DIY enthusiasts. 📊 Technical Specifications: Compatible Types: DOT3 / DOT4 / DOT5.1; Power Supply: 12V (9–24V DC range) via vehicle battery; Display: Backlit LCD screen; Alarm: Audible + LED indicator; Probe: Integrated high-precision probe; Printer: Instant test report provided; Material: Robust ABS; Operating Temperature: 0 to 50°C; Contents: 1 tester, 1 roll of paper, 1 instruction manual. ⚙️ Installation: Quick and easy: Connect the red clamp to the positive (+) terminal of the battery and the black clamp to the negative (-) terminal. No tools or setup required. Ready to use in 10 seconds. ✅ Operation: Select the fluid type (DOT3/DOT4/DOT5.1) using the arrow buttons, confirm, and start the test. The result is displayed immediately on the screen and printed automatically. Saves time, increases reliability, and provides complete traceability for every test. ℹ️ Other information: This device is strictly for diagnosing automotive brake fluid. Designed for professionals and experienced individuals. Do not use on other fluids or systems. Operates independently without batteries or external power sources.