1. Professional Multifunctional AutoMarine NavigationThis is a professional multifunctional navigation tool, suitable for both cars and marine use. It provides accurate directional information to guide the user. 2. Correction tool for deviationIt comes with a correction tool that allows the user to correct any deviation in their measurements. This ensures that it always provides accurate and reliable information. 3. Reversed magnetic steel for easy observation: To accommodate the driver's observation and habits, the magnetic steel has been specially reversed. As a result, the direction points in the direction the car is traveling, making it easier for the driver to read and interpret the directions. 4. Made of highquality material It is made of highquality ABS and acrylic material, making it durable. It is designed to withstand various weather conditions and is built to provide reliable performance over time.