Feature(may vary by option.)

●Sensitive and Accurate: This detection pen uses a highly sensitive sensor to accurately detect changes in brake fluid level. Whether it is a small drop in level or an obvious lack of level, it can be accurately reflected in the status of the LED indicator light.
●Lightweight and Portable: The brake fluid test pen is small and easy to carry. You can carry it with you at any time and perform brake fluid testing when needed, making maintenance and repair easier.
●Instructions: The indicator light is green, indicating that the power supply is OK/no water. Green/yellow, the water content is less than 1%. Green/yellow/yellow, the water content is close to 2%. Green/yellow/ Yellow/red indicates the water content is close to 3%, and it is recommended to replace the brake fluid. The indicator light is green/yellow/yellow/red/red, indicating the water content is higher than 4%, and the brake fluid must be replaced immediately.
●Packaging Details: You will receive two black car brake fluid test pens. We are committed to providing you with a perfect shopping experience. If you have any usage problems, please feel free to contact us directly and we will solve the problem for you within 24 hours on working days.
●Note: If the green LED light does not light up after pressing the power button for a long time, the power supply needs to be replaced. Please wash the test probe with clean water after each use. Please do not expose brake fluid to the air for a long time because brake fluid has strong water absorption.

[1 PC Black]

[2 PCS Black]

Description

Hawyet 2 PCS Car Brake Fluid Test Pen, Hydraulic Oil Moisture Analyzer Troubleshooter, Universal Diagnostic Test Tool with 5 LED Indicators, Product Compatible with Cars, Trucks, Vans, SUVs (Black)