Digital Oil & Brake Fluid Tester

- Check the health status of DOT3, DOT4 car brake fluid - Durable ABS Shell - High quality electrical conductivity metal design  - Easy to carry in your pocket - Uses 1 AAA 1.5V battery (Not included) - Automatic shut off after 15 seconds of inactivity - Easy to use, simply power up, dip probes into brake fluid & read results within seconds - Please note: Please use clean water to clean the product after testing fluid, otherwise brake fluid remnants will corrode the test pen terminals