Brake Fluid Tester Pen, Automotive Brake Fluid Content Detector, Vehicle Brake Diagnostic Testing Tool, Hydraulic Fluid Liquid Tester Pen Oil Moisture Tester Analyzer Meter for DOT3 DOT4 DOT5.1

Description

🚗 Stay ahead of brake failures with precision you can trust!

The Azonee Brake Fluid Tester Pen is a compact, high-precision diagnostic tool designed for professional and everyday drivers. It accurately detects moisture levels in DOT3, DOT4, and DOT5.1 brake fluids with ±0.3% accuracy, using a durable metal probe. Featuring tri-color backlight alerts and audible buzzers, it provides instant feedback on brake fluid condition, helping prevent costly brake failures. Its portable pen clip design, easy oil type switching, and auto power-off make it an essential, user-friendly tool for proactive vehicle maintenance.