Universal Precision Brake Fluid Tester Vehicular Diagnostic Tool with 5 LED Signal Tip Lights

Driving people know, when we want to stop the foot brake pedal must have a brake fluid pressure. The brake fluid is directly related to traffic safety, human security; Thus, each of car owners should have a simple and practical brake fluid detectors such as our Brake Fluid Tester Mini Pen, It can help for prolong your car's life and provide a green fence.

Main Features:
● Compact design:
It is easy to operate with the pen shape.
● Accurate design:
The five LED indicators can reflect the test results more clearly and accurately.
● Automatic shutdown function:
It will automatically turn off the power 20 seconds after starting up every time.
● Battery powered:
1pc AAA battery (not included) is needed, and the battery can be installed easily.

● Simply and Easily Determine the Quality of your Brake Fluid
● Quickly determine percentage of moisture in brake fluid
● Measurement range: 0% - 4%
● 5 LEDs indicating the water % in the brake fluid
● Calibrated for DOT 4 fluid only

Application
To Check Fluid Quality:
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:
Green: battery ok, 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.