Quickly and easily gauge the moisture in all types of brake fluid (DOT 3, DOT 4, DOT 5.1).

• Easy-to-read LED moisture gauge
• Measurements can be displayed to the customer to warrant the needed service
• Two-button use: one is the power button, and the other switches easily between fluid types
• Self-test features to ensure fluid is properly tested
• Uses one AAA battery. The tester includes automatic battery shut-off.