5 LED Indicator Car Brake Fluid Tester Pen Color:White Do you feel annoyed by

Do you feel annoyed by the noise of the sewing machine or feel it's too heavy and inconvenient to use on the go

Three small sub-dials are non-functional

simple and convenient

finished leather

5 LED Indicator Car Brake Fluid Tester Pen Color:White Do you feel annoyed byDo you need a tester pen to examine the quality of brake fluid by indicating the percentage of water in the fluid? Our car Brake Fluid Tester checks the health status of your car brake fluid quickly and reminds you to change the brake fluid in time to make driving comfortable. 5 LED indicators show the percentage of water in the brake fluid. The brake fluid tester pen is compact and portable, with a non slip material and nickel plated metal probe.