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, 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 .

• Brake Fluid Tester tests and indicates on five LEDs in terms of percent of water in the brake fluid.
• Auto Brakes Calibrated For DOT3 DOT4 DOT5
• Test Height: 150 mm (length) x 20 mm (diameter)
• Power supply: 1 x 1.5V (not included)
• Approved CE,RoHS.Includes battery and protective cap

Brake Fluid Tester tests and indicates on five LEDs in terms of percent of water in the brake fluid.Naante