Using description:
-Five LED lights display the percentage of water in the brake fluid in three colors: green, yellow and red.
-From low to high followed by green (0%), green, yellow ( 4%).
-Easily know the percentage of moisture in the brake fluid and consider whether to replace the brake fluid.
Easy to read:
-Red means the brake fluid needs to be replaced immediately
-Green means it is in good condition
-Yellow means it is in acceptable condition but needs to be replaced