NIUNIU Multi-function --- This professional grade military dashboard altimeter compass will always lead you in the right direction. Suitable for car, watercraft, boat, caravan and truck use, and ideal for off-road adventures High Accuracy --- Digital car compass with built-in accuracy compensator to easily adjust for deviation, providing more precise readings, improved accuracy and reduced errors Navigation Compass --- Boat compass with suction mount for easy installation and a clear lubber line for accurate direction reading. The compass direction aligns with the forward direction of the vehicle. Made of high-quality materials, waterproof and corrosion resistant Bracket Mount Design --- Bracket-mounted compass can be installed on deck or dash, maintaining an optimal viewing angle. Mid-size bracket provides stability during navigational course changes Great Balance Portable --- The car gyroscope compass offers fast response, high sensitivity, and self-balancing capability with precision engineering for accurate display. Compact size ensures portability and easy installation Delivery Quantity: 1 piece Size: 57*58*57mm Color: Black Kind tips 1. Package content: includes only the item listed; other products are not included 2. Size is measured manually; please allow 1-2 cm measurement deviation 3. Due to different displays and lighting effects, the actual color may vary slightly from the image shown