Auto Liquid Testing Brake Fluid Tester Pen 5 LED Indicator Display for Electronic Pen Brake Fluid Oil Tester Digital

Portable Brake Fluid Diagnostic Pen Automatic Shutdown Auto Brake Diagnostic Testing Tool Brake Fluid Test Pen for Motor Vehicle Feature: 1. Accurate Measurement: The Brake Oil Detection Pen has powerful functions, simple operation, accurate measurement, and safe use. 2. Automatic Shutdown Function: The Auto Brake Diagnostic Testing Tool can detect all brake oil and has an automatic shutdown function. 3. Can Test DOT3/4/5 Brake Fluids: The Brake Fluid Tester has five LED indicators to display more accurate test results, and can test DOT3, DOT4, and DOT5 brake fluids. 4. LED Display: The Brake Fluid Inspection Pen determines the moisture change of the brake fluid based on the change in electrical conductivity. It clearly shows the level of moisture contained in the LED, and high moisture content can lead to a lower boiling point and affect braking performance. Red indicates that the brake fluid needs to be replaced immediately, green indicates that it is in good condition, and yellow indicates that it is acceptable, but will be replaced soon. 5. Suitable Battery: The Auto Brake Diagnostic Testing Tool requires a No. 7 AAA battery, and the battery cover is opened in the direction indicated by the arrow on the test pen. (Shipped without battery) Specification: Origin: Mainland China Product size: 150mm/5.9in

Note: If the green LED does not light up after pressing the power button for a long time, it is necessary to replace the battery. Please clean the test probe with clean water after using the test pen every time. Please do not expose the brake fluid to the air for a long time, as the brake fluid has strong water absorption. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 x Car Brake Fluid Tester Pen