Description: This is a professional multifunction onboard marine . Users can use this product with the attached tools for the deviation correction, and the with the power cord can external connect the vehicle or ship power used to supply the power problem of the lamp. Considering the convenience and the habits for the driver, the magnetic steel is specially adjusted in the opposite direction. The pointing direction of the is the same with the way forward of vehicles. Features: 1. Made of high quality ABS plastic material, which is , resistant and environmental friendly. 2. Dial is with bright LED for easy reading day or night. 3. Adjustable mounting bracket and visible lubber line for easy direction reading. 4. Mounts easily to almost any flat surface with included EVA foam sticker or screws. 5. Pivoting for car and boat. Specifications: Material: ABS Plastic Color: Black Package Weight: approx. 320g Length: approx. 13.7cm / 5.39 Width: approx. 9.3cm / 3.66 Package Included: 1 x LED light with some accessories