Brake Fluid Tester Pen Automotive Fuel Detector Auto Brakes Calibrated Diagnostic Testing Tool

Description:
-Powerful function with ease operation
-Accurate measurement, safety;
-Detect all types brake oil
-Automatically power on
-DOT 4 Brake Fluid Testable

Notice
-If press the power button then green LED does not light up, need to replace the battery
-Wash the test probe with water after use
-Please do not expose the brake fluid in the air for a long time, it has a strong water absorption
-Prepare before testing
-Unscrew the lid of the brake uid reservoir and unplug the pen from host.
-Immersed the test probe into the brake uid tank
-Water content testing
-Press the power button then green LED will light. hold for 1s, the test results will be showen by the LED lights, test finish, FT123 will automatically shut down after 12
seconds.
-Pls note: Battery not included