CREACLE Brake Fluid Tester Diagnostic Testing Tool Auto Brakes Tests Auto Brakes Calibrated for DOT3 DOT4 DOT5 with 5 LED Indicator

Description: 100% brand new and high quality Great Brake Fluid Tester LED Car Vehicle Auto Automotive Testing Tool Color: Black Size: Approx. 15cm/5.9" Power Supply: 1 x 1.5V "AAA" Battery (Battery not Included) This unit supports DOT3 DOT4 DOT5 Principle: according to conductivity changes to determine moisture change in brake fluid, with five different color LED indicator How to use: Unscrew the brake fluid reservoir, and pull of the cap of the brake fluid tester.Dip the test probes into the brake fluid up to the plastic rim of the device. 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