Brake fluid tester led pen- car vehicle auto testing tool
Quantity:
- leds indicating the water in the brake fluid.
- light indicates that the battery is ok, no replacement.
- light indicates that moisture content of brake oil less than brake fluid has a good performance, and ease of use.
- light indicates that moisture content of brake oil less than brake fluid can be continued to use.
- light indicates that moisture content of brake oil less than proposed to replace brake full.