Features_x000D_Segmented Instructions: The segmented instructions indicate that the water content 0-4 represents the water content and the water content in order to partition, so that the owners can quickly understand whether the water content of the brake fluids is qualified._x000D_Material: Made of high-precision metal material. Please wipe off the liquid on the probe with a dry cloth or paper towel after each test, which will help to detect the life of the pen._x000D_5 LED Lights Display: 5 LED lights display the percentage of moisture content in brake fluids,how the test results more accurates_x000D_Frosting Process: The appearance adopts frosting process, which is not easy to slip off._x000D_Compact and Portable Design: Designed for convenience, this compact and lightweight brake fluids tester fits perfectly in your toolbox or glove compartment, allowing you to easily carry it for on-the-go brake fluids testing._x000D_Notice:_x000D_1.Actual color may be slightly different from the image due to different and light effect_x000D_2.Please allow 1-3cm deviation due to manual measurement_x000D_ _x000D_Description:_x000D_Voltage: 12 V_x000D_Operating temperature: 56 C_x000D_Size: As picture show _x000D_Power supply: 1*AAA battery not include_x000D__x000D_Package List:_x000D_1x Brake Fluids Tester_x000D__x000D_