Description: High precision Probe,accurate testing, wipe clean after use to increase service life Accurate measurement in 5 positions, quickly detect the water content of brake fluid Measure the moisture change of brake fluid according to the change of conductivity.High water content will lower the boiling point and affect braking performance It can test whether the water content of Dot3, DOT4 and Dot5 brake oil exceeds the standard Five LED indicators show the test results more accurate Specification: Type: Brake Fluid Tester Model:MZ102 Product Voltage: 1.5V Operating temperoture: 0-50 Applicoble models: All models Length:17cm/6.7 inch Width:1.3cm/0.5 inch Features: Highly sensitive sensor,Accurate measurement,Quick Response,Oily Type Detection Package Includes: 1x Brake Fluid Tester Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.