Description: This product is l550, which is a professional multi-functional marine compass. Users can use the correction tools attached to this product to correct the deviation of compass. Because of the driver's observation convenience and habits and other factors, the product specially turned the magnetic steel of the product, the compass of the product pointed to the direction of the car forward. (opposite to conventional compass products) Features: Pivoting compass for car and boat. Great for boat, marine boat, truck, caravan, etc. Fast response and precise navigation. Easy to read precise dial. Adjustable mounting bracket and visible lubber line for easy direction reading. Comes with mounting fittings to fix the compass on car or boat. It is made of high quality plastic material, sturdy for long time use. Specification: Material: ABS(Main part of compass) Color: Black Product Model: LC550 Black Size: Approx. 8.3 x 7.5cm / 3.3 x 3.0in Core Diameter: 4.8cm/1.9in Weight: Approx. 78.8g Product Application: Outdoor travel compass, car compass, Marine navigation compass, Gift compass Package List: 1 x Compass 2 x Screws 1 x Pick 1 x Adhesive 1 x Manual Note: 1. This compass is specially designed for driving & boating navigation. Thus the reading is totally opposite to normal compass. For example, when you are facing NORTH while the compass is placed in front of you, the reading shows "N" to you and "S" pointing north direction. The reading facing you is the correct direction that you are facing, that is "N". 2. Please never let the compass soak in water and keep it away from metal. .