Portable Vehicle Brake Fluid Tester Home Household Car Brake Fluid Tester LED Display with Backlight Flashlight Sound Alarm for DOT3 DOT4 DOT5.1

Features:
This tool is used to check the reliability of brake fluid, and display the percentage of water content and test results.
Sound Alarm: Built-in alarm function, an alarm tone will be emitted when the brake fluid needs to be replaced.
Built-in One-key lock screen function to lock test results.
Support to detect DOT3/DOT4/DOT5.1, the three common brake fluids.
The detection front part and hose are integrated to achieve IP67 waterproof.
Built-in large capacity lithium battery, so you can recharge it time and it will automatically shutdown without operation.
Flashlight Function: Built-in flashlight design, you can open it in time when the light is low or at night.