Features: brand new and high quality Made of high-quality reinforced ABS and circuit board materials, durable. 5 LED indicators show more accurate test results. Test the car brake fluid quality quickly to check whether it's qualified, which can remind you to change the brake fluid when necessary to avoid traffic accident. Suitable for all models. Small size, easy portability. It can test DOT4 brake fluid to ensure the normal operation. It can support automatic shutdown function. Specifications: Material: ABS+Metal Size: Approx.15cm/5.90in Package Includes: 1x Brake Fluid Tester Pen note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.