[Main function] : The brake fluid tester is mainly used to detect the quality of brake fluid, 5 leds can be used to show the percentage of brake fluid water content, green indicates the state of excellent, yellow indicates the state of general, the need to replace the brake oil in time, red indicates the need to replace the brake oil immediately. In addition, LED indicators allow you to clearly know the test results even in the dark.

[Good performance] : The shell of the brake fluid tester pen is made of high-quality ABS material, which has anti-corrosion function, provides good protection and has a long service life. The metal probe works well, the measurement is accurate and fast, it can help you test the condition of your car brake fluid in a few seconds, improve driving safety, protect your peace of mind travel.

[Easy to use] : The transmission fluid tester is easy to test and use, you just need to put it in the brake fluid, and press the power button, then the green LED will light up, hold it for about a second, you can know the test result. If there is no operation, the test pen will automatically close after 12 seconds, which is energy-saving design and more secure in use.

[Lightweight and portable] : The brake fluid boiling point tester is small in size, light in weight, easy to store and carry, you can put it in the car when driving/long-distance travel, does not take up space for you to take out at any time to use, always detect the brake fluid situation, to ensure normal function, avoid accidents, but also to provide you with more comfortable driving.

[Wide application] : This car brake fluid test pen can be used to test DOT3/4/5 brake fluid, suitable for most vehicles, a wide range of use, can be easy to individuals, repair shops and dealer workshops. It can also be used to detect different models, with the characteristics of oil resistance, oxidation resistance and high accuracy, very practical, is an indispensable car tool.