1.Boat accessories: the boat compass is made of highquality ABS material with adjustable magnetic declination blade, boat sailing signal light that is and will serve you in all your adventures; it is not only useful for sea navigation, but also for daily activities such as camping, hiking and wild adventures etc 2.LED Night Lighting Compass: If you have difficulty reading directions at night, the bulb light function brightens up the LED compass and allows you to navigate directions even at night; With compact size, this compass is very portable and easy to install or use 3.Adjustable brackets: tracking compass; with the adjustable declination blade, you can adjust the dashboard compass to the most comfortable and visible position for you; builtin accuracy compensator that can be easily adjusted to deviations, which makes reading more precise, improves its accuracy and reduces its errors 4.Marine Compass Advantage: Car compass point; Quick response and precise navigation; Easy to read precise dial, visible lubrication line for easy reading of direction, easy to install on almost any flat surface