Brake Fluid Liquid Tester Pen, Brake Fluid Diagnostic Testing Pen with 5 LED Indicators, Automotive Brake Tester Tool Analyzer, Universal Car Accessories for DOT3 DOT4 DOT 5.1 Brake Fluid

Specifications: Material: Brass-Plated Metal Quantity: 1 PCS Color: Black Weight: 27g Size: 5.98×0.79 inches Voltage: 9-15 V Feature: Practical, Accurate, Portable Fit Type: Universal Fit Notes: -If the green LED light does not light up after pressing the power button for a long time, the battery needs to be replaced -Please wash the test probe with clean water after each use of the test pen -Please do not expose the brake fluid to the air for a long time, as it has a strong hygroscopicity

• Material : This brake fluid test pen is made of high-quality brass, which is sturdy, wear-resistant, oil-resistant. It can maintain good performance even after long-term use. The shell is made of black plastic, which has good anti-slip property
• Detection function : This test pen is equipped with five LED indicator lights to show the water content. Red indicates that the brake fluid needs to be replaced immediately, green indicates that it is in good condition, and yellow indicates that the condition is acceptable but needs to be replaced soon
• Scope of application : This brake fluid tester is suitable for detecting the water content in DOT3, DOT4 and DOT5.1 brake fluids, it is widely used in various automobiles. It is compatible with AAA batteries, but the batteries are not included in the packaging and you need to prepare them yourself
• Easy to use : This oil test pen is easy to use. Just press the power button, insert the metal probe into the brake fluid. After a few seconds, the corresponding LED light will light up and display the result. After the test is completed, the device will automatically shut down after 12 seconds
• Product Introduction : This product includes 1 black brake fluid detection pen. The product measures 5.98×0.79 inches and weighs 27g, it is compact and lightweight. It can be carried or stored around and does not occupy too much space, making it convenient for you to use at any time in daily life