Test the car brake fluid quality quickly to check whether its qualified, which can remind you to change the brake fluid when necessary to avoid traffic accident
The LED indicators will show percentage of water in the brake fluid with 3 colors green yellow and red
Calibrated for cars using DOT4 and DOT3 brake fluids (But DOT3 is almost replaced by DOT4 because DOT4 has better performance)
Only takes seconds to know the results,very easy to use
CE and RoHS approved. Protective cap included.Takes 1 x AAA/1.5V battery (not included)
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