BWBWND Brake Fluid Tester Pen, Brake Fluid Tester Car Diagnostic Testing Tool with 5 LED Indicators, Automotive Hydraulic Fluid Liquid Oil Analyzer Compatible with DOT3 DOT4 Brake Fluid

BWBWND Brake Fluid Tester Pen, Brake Fluid Tester Car Diagnostic Testing Tool with 5 LED Indicators, Automotive Hydraulic Fluid Liquid Oil Analyzer Compatible with DOT3 DOT4 Brake Fluid

• Reliable Construction: The probe is made of brass-plated metal, offering excellent resistance to corrosion and oil exposure—ensuring consistent performance even in demanding conditions. The outer casing is constructed from sturdy plastic that provides a comfortable grip and long-lasting use
• Timely Check: By identifying Liquid levels early, you can take timely action to replace contaminated fluid before it compromises braking efficiency or causes system damage. Regular use of this tool significantly enhances driving safety and helps prevent costly repairs down the line
• LED Indicator: Green indicates that the brake fluid is in good condition. Yellow means the moisture level is acceptable but suggests it's time to consider replacing the fluid soon. Red signals that the brake fluid contains excessive moisture and needs immediate replacement
• Simple Operation: Just immerse the probe into the brake fluid reservoir, turn on the power, and hold it submerged for one second. The LED light will then display the current level. After 12 seconds, the device will automatically powers off to conserve battery life
• Wide Application: This versatile brake fluid test pen is compatible with DOT3, DOT4 and DOT5.1 brake fluids—covering the most commonly used types in modern vehicles. It operates on a standard AAA battery (not included), making it easy to power up and ready for use anytime