Brake Fluid Test Strips has nickel plated metal probe, which is oil-proof and oxidation-proof, not easily corrosive.Metrics is accurate to 1%, quickly and accurately detect DOT3, DOT4, DOT5.1 brake fluid pen and has received the result in seconds.
The brake fluid tester has 5 kinds of LED indicator lights, which will show the percentage of water in the brake fluid by three colors, which can quickly check the health condition of the brake fluid in your car, provide you with more accurate test results and remind you to replace the brake fluid when necessary.
This auto brake diagnostic testing tool can check the health status of DOT3, DOT4, DOT5 car brake fluid. When it is time to change the brake fluid, the LED light will go from green to yellow or red, reminds you to change the brake fluid
This brake fluid tester is suitable for most automobiles, easy to operate and suitable for testing the percentage of water in DOT-3, DOT-4, DOT-5.1 brake fluids.
Press the button , Insert the tester into reservoir ,Only takes seconds to know the results by LEDs,very easy to use There is a small suggestion, after every testing, please clean the test probe with dry cloth or paper.