1. Essential Brake Oil Tester: The AS502 Car Brake Fluid Tester is an indispensable tool for any vehicle owner, ensuring your brake fluid is always in optimal condition by measuring the water content 2. Handheld Convenience: This compact Brake Oil Tester is designed for easy handling, allowing you to quickly assess the quality of your brake fluid anytime and anywhere 3. Safety First: Regularly testing the water ratio scale in your brake fluid with our Brake Oil Tester helps prevent brake failure, promoting safe driving conditions for you and your passengers 4. User-Friendly Design: The intuitive design of the Brake Fluid Tester ensures that anyone can operate it without prior experience, making brake maintenance accessible to all 5. Prolong Vehicle Life: By using the AS502 Brake Oil Tester to monitor your brake fluid regularly, you can avoid costly repairs and enhance the longevity of your vehicle's braking system, Manufacturer: ZXZZAS