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1/2/4/6 Pcs Brake Fluid Tester Pen Automotive Diagnostic Vehicle Liquid Tester

Operation Guideline: 1. Unscrew the brake fluid reservoir, and pull off the cap of the Brake fluid tester pen. Dip the test probes into the brake fluid up to the plastic rim of the device. 2. Press the button for power on, green LED will light up. Insert the tester into reservoir for one second then the tester result will be correctly indicated by LEDs. Repress the button for power off. The tester will automatically power off after about 15 seconds of inactivity. Tester Specification: 1. To check the quality of brake fluid quality. 2. 5 LEDs to indicate percentage of water in the brake fluid. 3. Automatically power off. 4. Operated by a LR03 AAA 1.5V battery. ( Not included ) Indicator Instruction: 1. 5 LEDs indicating the water % in the brake fluid: 2. 0% light indicates that the battery is OK, no replacement 3. 1% light indicates that moisture content of brake oil less than 1% , brake fluid has a good performance, and ease of use. 4. 2% light indicates that moisture content of brake oil less than 2%, brake fluid can be continued to use. 5. 3% light indicates that moisture content of brake oil less than 3% , proposed to replace brake fluid. Color: As shown in the picture

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