Features: High accuracy Brake Fluid Tester delivers result in 3 second with three color LED alerts (Green/Yellow/Red) for /DOT4/DOT5.1 fluids, featuring IP65 waterproofing and 20°C~60°C extreme temperature operation. Equipped with corrosion resistant gooseneck probes, data hold function, and auto power off design, this easy carry tester ensures reliable brake fluid moisture detection for automotive diagnostics. Ideal for car owners, motorcycle riders, and automotive repair shops search professional fluid analysis without complex interpretation—perfect for roadside checks or workshop maintenance. Performs accurately in harsh environment like rain, mud, or temperature extremes, making it essential for long hauls transporters, enthusiasts, and repair man requiring most weather reliability. Universal compatibility with 2000+ vehicle models via standard OBD interfaces combines hard ABS construction with intuitive operation, revolutionizing brake fluid testing efficiency for DIYers and professional alike. Specifications: Material: ABS Product size: about 370mmx24mm/1.45x0.94inch Battery: included Package Includes: 1xBrake Fluid detectors note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.