Automotive Electronic Brake Fluid Tester Pen

To Check Fluid Quality:

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Press the button for power on, green LED will light up.

Insert the tester into reservoir for a second , then the results will be indicated correctly by LEDs.

Auto power off .

Indications:
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Green: Battery OK, i.e.: No Water Contained in the Brake Fluid

Yellow: Less than 1% of Water Content in Brake Fluid

Yellow/Yellow: Approximately 2% of Water Content in Brake Fluid

Yellow/Yellow/Red: Approximately 3% of Water Content in Brake Fluid; ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ????

The Brake Fluid ??Should be Changed

Yellow/Yellow/Red/Red: at least 4% of Water Content in Brake Fluid; ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??

The Brake Fluid Must be Changed Urgently, Extreme Danger .

Packing list:

Brake fluid detection pen*1

Product Image: