• Used to examine the quality of brake fluid by indicating the percentage of water in the fluid.
• Suitable for DOT 3, DOT 4, and DOT 5.1 brake fluid.
• Easy to use with 5 LED indicator lights.
• Approved for AC Delco DOT 3, Pennzoil DOT 3, Prestone DOT 3, Motorcraft DOT 3, and Toyota DOT 3.