Type Pocket brake fluid tester. Electrolytic tester. Three LED read-out. Red LED warns when battery is low and needs replacing.
eBay
The backlit display changes color to indicate the fluids conditions. Keep your car's brake system running safely with this dependable Car Brake Fluid Detector. Efficient Testing: Maximize your vehicle's safety with our Brake Fluid Tester.
eBay
PORTABLE DESIGN: The brake fluid liquid tester is a pen type design, which is convenient to hold, easy to use and carry, and has a wide range of applications. PLASTIC SHELL: The shell of the brake fluid tester is made of ABS, with good toughness, corrosion resistance, aging resistance and long service life.
eBay
Extra Info: The LEDs fitted to the tester then display a relevant coloured LED, indicating the water content. Extra Info: Equipped with an LED light at the probes, helping to illuminate dark brake reservoirs.
eBay
eBay
Easy Operation: Install the 1 AAA 1.5V battery(no included), press the button at the top, dip the probe into the brake fluid, and the test result will be indicated by LEDs in a few seconds. The brake fluid tester pen will automatically power off after about 15 seconds of inactivity.
eBay
Brake Fluid Range: DOT3, DOT4, DOT5.1. Item Type: Brake Fluid Liquid Tester. [Backlit Display] Featuring a large display screen with backlit, this brake fluid tester ensures easy and clear readings in sunlight or at night.
eBay
Model: HT663L. 1 HT663L Brakefluids Tester. Wide Range of Applications: TheN C Brakefluids Tester is a general device suitable for most vehicles. It can check the condition of for DOT-3, DOT-4, DOT-5.1 brake fluids as well as most synthetic brake fluids.
eBay