Use for checking brake fluid quality, 3 LED lights to indicate percentage of water in the brake fluid. Testing DOT 3, DOT4, DOT5 brake fluid
Easy to use, automatically power off, dip probes into brake fluid and read results. Supports the LR03 AAA battery （Battery is not included）
It can quickly and accurately test the brake oil, check the humidity, indicating your brakes Oil state, to provide you with a reliable basis for replacement
Brake fluid detection pen is based on the change in conductivity to determine the moisture change brake fluid. It shows clearly the extent of moisture contained by the light-emitting diode, high moisture content will lead to lower boiling point, affect braking performance
With the black brake fluid tester pen you will konw when you should change the brake fluid, protect youself and your car

Technical Details

Product Details

Package Dimensions
Width : 3.6 inch
Height : 0.7 inch
Length : 9.5 inch

Shipping Weight: 0.64 ounce (View shipping rates and policies)

ASIN : B01ISKFK1M