Ensure your vehicle’s braking performance and safety with the Brake Fluid Tester – Moisture Content Indicator. This easy-to-use device detects water contamination in brake fluid using conductivity measurement. With a clear LED display, it helps you quickly determine whether your brake fluid is in good condition, needs monitoring, or requires replacement — preventing brake failure and maintaining optimal performance. Main Features: • Accurate moisture detection using electrical conductivity measurement• LED indicator system (Green, Yellow, Red) shows brake fluid condition at a glance• Instant test results – no waiting or complex setup• Compact, pen-style design for easy handling and portability• Battery status indication via flashing red light• Helps prevent brake fade and ensures safer driving LED Indicator Meanings: Green: Water content < 1.5% – Brake fluid OK Yellow: Water content 1.5%–3% – Retest in six months Red: Water content > 3% – Replace brake fluid immediately Flashing Red: Battery in tester needs replacement Green + Yellow: Water < 1% – Excellent condition Green + Yellow + Yellow: Water ≈ 2% – Still usable Green + Yellow + Yellow + Red: Water ≈ 3% – Replacement recommended Green + Yellow + Yellow + Red + Red: Water ≥ 4% – Replace immediately (unsafe) Specification: Function: Brake fluid moisture detection Detection Method: Electrical conductivity Display: Multi-color LED indicator (Green, Yellow, Red) Power Supply: Battery operated (user-replaceable) Application: Suitable for DOT3, DOT4, and DOT5.1 brake fluids