Brake Fluid Tester - calibrated for DOT 4 brake fluids<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Quick and easy way to test for moisture content in the brake fluid; results appear in seconds!</li><li>LED light indicators show percentage of water in the brake fluid</li><li>Calibrated for cars using DOT 4 brake fluid only (found in most cars produced since 2006)</li><li>Takes 1 x AAA/1.5V battery (included)</li><li>Only takes seconds to know the results</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31RmDyitsSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mC5dRvzKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41l%2BhuXsnzL.jpg" noproxy>