AUTOOL Brake Fluid Tester, Moisture Detector with 10 Inch Corrosion Resistance Probe for DOT3/DOT4/DOT5/DOT5.1/ENV4/ENV6 Backlit Display (AS501)

【More Powerful Detection Range】Equipped with a high-precision probe, it can quickly detect brake fluid moisture content in 10 seconds (fully compatible with DOT3/DOT4/DOT5/DOT5.1/ENV4/ENV6). 3-level intelligent rating (good/moderate/poor) provides an intuitive assessment of brake fluid condition, helping to avoid safety hazards. 【Precision test and sensitive probe】One-button startup with an intelligent interface, no professional knowledge required, easy to use. Backlit display for clear readings even in dimly lit environments. 【High-precision Metal Probe】This brake fluid tester pen is equipped with a high-precision metal probe and an 10-inch corrosion-resistant metal hose. The probe can be operated flexibly in a small space, and the rigid support provides stable and easy cleaning. Corrosion-resistant probe design maintains high sensitivity even with long-term use. 【Water Content Percentage】Compact and lightweight, powered by 2 AA batteries for extended runtime and convenient portability.Test first, flush ONLY when needed. Save $100s on Unnecessary Flushes. 【Three Years Warranty】For any quality problems. If AS501 has any defect, we will provide new replacement or solutions for our customers until satisfaction without delay, and provides lifetime technical support. For any needs, you are warmly welcomed to contact us and we will get back to you ASAP within 24 hours.