Application: The Brake Fluid Tester supports DOT3, DOT4 and DOT5.1 brake fluid types and can provide accurate result in the 0%-4% range. Note that you need to prepare your own AAA battery(The test pen does not contain batteries）. ).
Brake Fluid Tester Automotive Oil Moisture Tester with High-Precision Probe Brake Fluid Testing Pen with Screen Display, Alarm, Calibrated for DOT3, DOT4, DOT5.1.
Application: The Brake Fluid Tester supports DOT3, DOT4 and DOT5.1 brake fluid types and can provide accurate result in the 0%-4% range. Note that you need to prepare your own AAA battery(The test pen does not contain batteries）. ).