Versatile high quality materials and compatibility - Made of high quality plastic, durable, waterproof and corrosion resistant for long term use - Suitable for cars, watercraft, boats, caravans and trucks; can be mounted on the deck or dashboard Precise and accurate - Rotary compass designed for cars and boats, with a built in accuracy compensator to adjust deviations for more precise readings and reduced errors - Quick response and reliable navigation performance for everyday use Easy to read - Spherical design provides a magnifying effect for clear readability of numbers and dials - Highly visible markings help you read instructions and data at a glance Adjustable mount and stability - Mount is adjustable to set the correct viewing angle; suitable for deck or dashboard mounting - The medium mount offers greater stability for changes in navigation routes Practical use scenarios - On a small boat or sailing craft to maintain direction during coastal navigation or docking - In a car or truck for reliable directional guidance on road trips - In a caravan or RV to orient routes and improve navigation while traveling or setting up at stops