The tool for quick and accurate measurement of quality parameters of brake fluid in a car. Its operation is very simple, and the indications are quick and precise. Simply remove the brake fluid reservoir cap, press the button on the tester and immerse the electrodes for a moment. LED diodes, described with specific values, clearly indicate the quality of fluid under test and communicate the power status. The tester has an automatic off button, so there is no need to remember to turn it off. AAA battery power supply is very convenient and reliable to use. Measurement of 5 different types of brake fluids allows for universal application. Modern design, materials of which the tool is made, and quality of workmanship ensure durability and ease of use for many years.