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Brake Fluid Tester Pen

  • Check the health status of DOT3, DOT4 car brake 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 probe into brake fluid and read results.
  • Only takes seconds to see 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
  • PLEASE NOTE: Please use clean water to clean after the test, otherwise the brake fluid may corrode the test pen.

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