NEXPEAK Brake Fluid Tester Pen with 5 LED for DOT3/DOT4 Car Diagnostic Automotive Testing Tool …
- Quickly and conveniently to check the quality of the brake fluid, read the results in seconds and let you know it the brake fluid need to be change or....
- Easy to operate this brake fluid test pen, press the button and insert the tester into reservoir for one second when the green LED on..
- 5 LED indicates you the test result and tells you brake fluid quality, it is convenient to know if the brake fluid is healthy or not..
- Battery: 1 x AAA/1.5V (not included). When the green LED doesn’t light up, it means the battery has run out of power and need to replace a new....
- Attention: wash the test probe with tab water after every use..