ITEM NAME:Car Brake Fluid Liquid Tester Vehicle 5 LED Pen Water Moisture Tester Indic C2J4 Car Brake Fluid Liquid Tester Vehicle 5 LED Pen Water Moisture Tester Indic C2J4 Quick and easy way to test for moisture content in the brake fluid,results appear in seconds. LED light indicators show percentage of water in the brake fluid. Insert the tester into reservoir for a second , then the results will be indicated correctly by LEDs. After testing, remember to screw the lid of the brake fluid reservoir back on tightly. Turn on the brake fluid tester by pressing the button. A green light should light up. If the light does not come on, it may be time to change a battery. Color: Black Material: metal The brake fluid tester is used to measure the water fraction in the brake fluid. The water content is displayed clearly. Red light: immediate replacement of brake fluid, green light: normal. Easy operation. Power: 1x AAA battery (not included) Indicator Description: 5 LEDs indicating the water % in the brake fluid: 0% light indicates that the battery is OK, no replacement. 1% light indicates that moisture content of brake oil less than 1% , brake fluid has a good performance, and ease of use. 2% light indicates that moisture content of brake oil less than 2%, brake fluid can be continued to use. 3% light indicates that moisture content of brake oil less than 3% , proposed to replace brake fluid. 4% light indicates that moisture content of brake oil less than 4%, brake fluid should be replaced immediately. Package Contents: 1 x Water Moisture Tester Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
