Xiaocetool 5 LED Brake Fluid Tester Pen DOT3 DOT4 DOT5.1

Xiaocetool Brake Fluid Tester Pen is a compact, easy-to-use tool designed to help you monitor brake fluid moisture quickly and accurately. Compatible with DOT3, DOT4, and DOT5.1 brake fluids, this pen features 5 LED indicators, an , and a red/green backlight to give you an instant visual readout. When moisture rises, an audible buzz speeds up and the backlight color changes, making it simple to know when a fluid flush is due. Built with CE certification and a ready-to-use battery, this tester is perfect for home garages and professional shops alike. Reliable and designed for everyday maintenance, it helps prevent brake system issues by flagging moisture before it compromises braking performance.

Benefits & Tips

• Quick, clear moisture readings: 0%–4% range with an LCD display and 5 LED indicators for easy interpretation.
• Audible and visual alerts: sound and light alarm notify you when moisture exceeds safe levels.
• User-friendly for any shop: compact, battery-powered, and CE-certified for reliable performance in DIY projects or professional service.

Product specifications

• Brand: XIAOCETOOL
• Model: XC66A/B
• Fluid compatibility: DOT3, DOT4, DOT5.1
• Moisture detection range: 0%–4%
• Moisture indication: Buzzing sound changes from slow to fast; backlight color changes
• Display: LCD screen
• Backlight: Red and green backlight
• Battery: Included
• Certification: CE
• Origin: Mainland China
• Alarm method: Sound and light
• Automatic shutdown: LCD indicator progresses from small to large before shutdown

Package includes:

• 1 x Xiaocetool Brake Fluid Tester Pen
• Battery included

Warnings/Reminders

• Use only with DOT3, DOT4, or DOT5.1 brake fluids.
• Keep away from children and do not disassemble the device.
• Avoid skin or eye contact with brake fluid; rinse with water if exposure occurs.
• Store at room temperature and away from heat sources.
• Dispose of fluids and batteries responsibly according to local regulations.

Since 2002, intercyprus.com has stood for reliable tools and trusted service.