ZKTOOL Upgraded Brake Fluid Tester Pen 5 in 1 DOT3 DOT4 DOT5 ENV6 ENV4

Key Features

• 5 in 1 detector — tests DOT3, DOT4, DOT5, ENV6, ENV4 brake fluids with moisture detection.
• LED indicators — five LEDs display water content in green, yellow, and red for quick assessment.
• Fast, accurate readings — designed for reliable moisture content results compared to similar devices.
• Convenient design — compact, portable tool; auto shutoff after 12 seconds of inactivity to save power. Requires 1 x AAA battery (not included).
• Durable construction — nylon shell offers improved corrosion resistance and longevity over ABS models.

Specifications

• Brand: ZKTOOL
• Type: Brake Fluid Moisture Tester Pen
• Detects: DOT3, DOT4, DOT5, ENV6, ENV4
• Indicators: 5 LED (color coded)
• Power: 1 x AAA battery (not included)
• Material: Nylon shell

Usage & Maintenance

• Turn on device and apply a small fluid sample as per instructions to read moisture level
• Interpret LED colors to decide fluid replacement timing
• Auto shutdown if inactive within 12 seconds to conserve battery

For questions, contact the supplier for professional auto repair tool support and guidance.