- “The main function of this brake fluid test pen is brake fluid quality determining”
- “According to the variation of electrical conductivity to determine the content of the brake fluid change”
- “5 LED lights display the percentage of content in brake fluid, provides more accurate test result”
- “Designed without cable connector, portable and light weight, convenient to carry and use”
- “Suitable for professional use in automotive repair shops to test DOT3 / DOT4 / DOT5 liquid”
