Brake Fluid Tester, Engine Oil Quality Tester with 5 Led Indicators, DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories (Black)

Brake Fluid Tester, Engine Oil Quality Tester with 5 Led Indicators, DOT 3 DOT 4 DOT 5.1 Brake Fluid Liquid Tester Pen for Check Engine Car Accessories (Black)

• Safe Driving: This brake fluid tester can quickly check the health condition of your car brake fluid and remind you to change the brake fluid when necessary to avoid traffic accidents, so that you are more comfortable and safer.
• Wide Compatibility: It can be used in most cars. It is suitable for detecting the moisture content in DOT-3, DOT-4, DOT-5.1 brake fluid. It is very convenient for personal use and widely used in individual workshops, repair shops and dealer workshops.
• Excellent Performance: The brake fluid detector uses metal probe, oil and oxidation resistant, not easy to corrosion. The case is matte black plastic for better skid resistance.
• Package Content: You will receive 1 pc FT123 brake fluid test pen (AAA cable not included), including protective cover. If the green LED light does not light up after pressing the power button for a long time, the battery needs to be replaced. The product is lightweight and easy to carry and use.
• Instructions for Use: Unscrew the lid of the brake oil storage tank, detach the cap of the test pen, and immerse the test probe into the brake oil in the storage tank. Press the power button and the green LED light will light up. Hold for 1 second, the test result will be displayed by the lighting of the LED light, and the water content of the brake fluid can be quickly and qualitatively determined. After the test is completed, the test pen will automatically turn off after 12 seconds.