Brake Fluid Tester Pen DOT 3 DOT 4 DOT 5.1 Diagnostic Tool With 5 LED Indicators High Precision Hydraulic Fluid Moisture Analyzer For Vehicle Safety And Quick Fluid Health Check

Smart Brake Fluid Tester Pen, 1 Piece Pack DOT 3/4/5.1
✔️ 5-LED readout shows water content in brake fluid at a glance

This compact tester is built to measure moisture in brake fluid and alert you when fluid health drops. It supports DOT 3, DOT 4, and DOT 5.1 and is ideal for home garages, hobbyists, and professional shops to keep braking systems safe.

✅ Brass-plated probes deliver accurate moisture readings and long-term durability
✅ Five-LED indicators clearly show water levels for quick interpretation
✅ Works with DOT3, DOT4, and DOT5.1 brake fluids for broad compatibility
✅ Auto shut-off within 12 seconds to conserve battery
✅ Rugged, corrosion-resistant plastic body for busy workshop use
✅ Pack size: 1 piece

💡 What is a brake fluid tester used for? It's handy for checking moisture in the brake fluid to prevent braking issues and ensure safety. - Handy moisture checks for DOT 3/4/5.1 - Quick 12-second test with LED feedback - Compatible with a wide range of vehicles