The nautical compass base has adhesive on the bottom, it is convenient to attach the compass to the car or boat, it has fast response and accurate navigation, and it is made of high-quality plastic material, which is durable. An onboard professional-grade marine compass mounted compass with adjustable mounting brackets and visible lube lines for easy reading of directions and data to guide and accompany you through every enjoyable journey. Nautical compasses, sturdy and easy-to-read precision dials, rotating compasses for car and boats, adjustable stands can be installed anywhere as long as you can keep your balance. The car compass ball provides highly sensitive grade and incline measurements that accurately display downhill and uphill accuracy to help you understand road conditions. The compass is beautifully decorated. As an ornament in the car, it is a crystal clear spherical shape. It is beautiful, new and cool. It can easily find its own direction without any other power or tools.