ITEM NAME:Brake Fluid Tester Led Moisture Water Compact Tool Test Indicator Pen Blue F4X5 Brake Fluid Tester Led Moisture Water Compact Tool Test Indicator Pen Blue F4X5 The brake fluid tester is suitable for determining brake fluid quality.Easy and quick way to test for moisture content in the brake fluid. LED light indicators show percentage of water in the brake fluid.Designed without cable connector. Only takes seconds to know the results. Calibrated for cars using DOT 4 brake fluid (found in most cars produced since 2006) Suitable for DOT3 / DOT4 testing. Directions for using: 5 LEDs indicating the water % in the brake fluid : 0% LED:Battery is OK,and there is on water content in brake fluid 1% LED: Water Content, H2Oless than equal 1%, brake fluid is above standard 2% LED: Water Content, H2Oless than equal 2%, still can use it 3% LED: Water Content Water Content, H2Oless than equal 3%, brake fluid should be changed 4% LED: Water Content Water Content, H2Ogreater than equal4%, brake fluid must be changed Length: 15.5cm Diameter: 1.9cm Material: chip Colour: Blue Power Supply: 1 x "AAA"/1.5V Battery Package contents: 1* test pen 1* battery.3% LED: Water Content Water Content, H2Oless than equal 3%, brake fluid should be changed. 4% LED: Water Content Water Content, H2Ogreater than equal4%, brake fluid must be changed. 0% LED:Battery is OK,and there is on water content in brake fluid.
