Car Brake Fluid Test Pen Automatic Diagnostic Tool Hydraulic Oil Moisture Analyzer with 5 Indicator

Professional Accurate Brake Fluid Tester Pen Car Auto Oil Moisture Liquid 5 LED Digital Tester Car Testing Tool For all Cars Description: 1. Size: Approx. 15cm/5.9" 2. Power Supply: 1 x 1.5V "AAA" Battery (Battery not Included) 3. Principle: according to conductivity changes to determine moisture change in brake fluid, with five different color LED indicator Indicator Description: 1.5 LEDs indicating the water % in the brake fluid: 2.0% light indicates that the battery is OK, no replacement 3.1% light indicates that moisture content of brake oil less than 1%, brake fluid has a good performance, and ease of use. 4.2% light indicates that moisture content of brake oil less than 2%, brake fluid can be continued to use 5.3% light indicates that moisture content of brake oil less than 3%, proposed to replace brake fluid. 6.4% light indicates that moisture content of brake oil less than 4%, brake fluid should be replaced immediately. 7. Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understanding. Package Included: 1 x Brake Fluid Test Customer reviews