Brake Fluid Liquid Tester Pen Diagnostic Tool For Dot3/dot4 Car Oil Test Pen
- Condition: New
Seller notes
Note: The product does not contain the battery because the aircraft cannot transport the battery. You need to purchase it yourself. Instructions: Brake fluid detection pen is based on the change in conductivity to determine the moisture change brake fluid. It shows clearly the extent of moisture contained by the light-emitting diode, high moisture content will lead to lower boiling point, affect braking performance. Red indicates the brake fluid needs immediate replacement, green represents good...
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