Features:

  • Check the health status of DOT3, DOT4 car brake fluid, dangerous if you do not change brake fluid timely;with capacity 1oz Plastic Nylon Baster to help your get the fluid
  • 5 LED display lights the percentage of moisture content in the brake fluid, as the test results are more accurate
  • Easy to use simply power up, dip probes into brake fluid and read results,Only takes seconds to know the results
  • High quality electrical conductivity mental design, super strong ABS shell, small compact size, easy to carry in pocket
  • Operated by a LR03 AAA 1.5V battery (not included), automatic shutdown after about 15 seconds of inactivity
Nice tool for the price

Does exactly what it is supposed to: put it in the brake fluid reservoir, check lights, and if the moisture level is above normal, change brake fluid. Will save you from a lot of hassle in the future. As an added bonus, you get a baster to remove old brake fluid.

producto excelente

Funciono perfecto para el sangrado de frenos del carro

brake fluid tester pen

It is accurate and easy to use

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