Quick and easy method to accurately gauge the moisture content of all types of brake fluid *(DOT 3, DOT 4, DOT 5.1)

• Ideal two-button use, one power button and the other to easily switch fluid types
• Easy to read LED moisture gauge
• Measurements can be shown to the customer to warrant needed service
• Self-test features will assure you are properly testing the fluid
• Uses one AAA battery. Tester includes automatic battery shut-off