Fogfar 1 PC Motor Brake Fluid Moisture Content Analysis Pen, LED Indicator Light Plug-Play Brake Oil Test Pen, Automobile Fault Diagnosis Instrument, Compatible with Cars, SUVs, Trailers (Black)

Description About this item Quick Response: The LED indicator brake fluid test pen has the characteristics of quick response. When the pen comes into contact with brake fluid, the LED indicator light will quickly light up or change color, reflecting the quality of the brake fluid almost instantly. This allows you to quickly know if your brake fluid needs changing or maintenance. Lightweight and Portable: The LED indicator brake fluid test pen is small, lightweight and easy to carry. It can be placed in your vehicle’s glovebox or tool box and ready for use. In this way, you can test the brake fluid quality at any time when needed to ensure the normal operation of the vehicle’s braking system. Instructions for Use: Unscrew the cap of the brake fluid reservoir and take it off the cap of the test pen. Dip the test probe into the brake fluid in the reservoir. Press the power button and the green LED light will light up. Hold for 1 second, and the test result will be displayed by the LED light. After the test is completed, the test pen will automatically turn off after 12 seconds. Packing List: You will receive a black LED indicator car brake fluid test pen. The brake fluid test pen measures the moisture content of the brake fluid based on changes in conductivity, and clearly displays the moisture content through a light-emitting diode. High moisture content will cause the boiling point to lower, affecting braking performance. Perfect After-sales: We are committed to providing you with a perfect shopping experience, if you have any usage problems, please feel free to contact us directly, we will solve the problem for you within 24 hours on working days.