Lasonstiges Convenient plastic brake fluid tester black accurate led indicator liquid testing pen oil quality diagnostic tools universal Hardwire Kit

Convenient plastic brake fluid tester black accurate led indicator liquid testing pen oil quality diagnostic tools universal High-concerned chemical : None Origin : Mainland China Brand new and high quality. Type: Brake Fluid Tester Material: Plastic Size:15.5*2cm(6.10*0.79in) Main function: Check the car brake oil quality Package Included: 1 * Brake Fluid Tester(Not Battery Included) Features: Quick and easy way to test for moisture content in the brake fluid; results appear in seconds; Sturdy design: the tester has been greatly improved. Widely use: Testing dot3, dot4, dot5 brake fluid. Explanation of the meaning of indicator lights: Green: Battery OK, meaning there is no water in the brake fluid Green/Yellow: The water content in the brake fluid is less than 1%, indicating good performance and reliable use Green/Yellow/Yellow: The brake fluid contains about 2% water and can continue to be used Green/Yellow/Yellow/Red: The water