Brake Fluid Tester, Brake Fluid Liquid Testing Pen with 5 LED Lights, Auto Brake Diagnostic Testing Tool,Compatible with DOT3 DOT4 Brake Fluid

About this item BRAKE FLUID TESTING TYPE: The dot 3 brake fluid tester pen can also be used for testing the fluids of DOT4, DOT5.1, ENV6 & ENV4. Compatible with the most of automotive brake fluid,Very practical tool for brake fluid testing CONVENIENT TOOL: This brake fluid tester pen design is quite small size,easy to carry with.It's a very convenient tool to test the moisture of brake fluid for your auto brake. Easy to use ,simply press the button at the top, dip the probe the Testing the water content of the brake fluid dot 3, dot 4 etc. EASY TO READ:You can get results in seconds, With the percentage readings next to the LED lights on the brake fluid testing pen, you can simply read the result of water content in your brake fluid. When multiple LED lights are on, the maximum readings shall be the result of the brake fluid testing. PREMIUM QUALITY: This pen brake fluid tester is made of premium nylon raw material more durable to use. （1 AAA battery needed for use, not included in the Pack) QUICK RESPONSE: we are committed to offer good products as well as good services. Feel free to contact us if you have any problems