>>Applications This Waterproof Digital Compass Is Suitable For Cars, Ships, Boats, Caravans And Trucks. Built-In Precision Compensator For Easy Adjustment Of Deviations For More Accurate Measured Values. It Is An Adjustable Magnetic Declination Compass For A Multi-Function Vehicle.>High QualityThe Marine Digital Compass Is Made Of Abs. This Compass Is Waterproof And Corrosion Resistant And Is Ideal For Marine Or Marine Vehicles.>ResponsiveThe Magnetic Declination Adjustment Pad Has Fast Response Speed, High Sensitivity And Is Separately Balanced. Accuracy Reading Is Displayed.>Portable The Compact Size Is Only 8 X 7.2 And The Bottom Diameter Is 6 . This Compass Is Very Portable And Easy To Install Or Use.>Easy InstallationNavigation Bracket The Installation Compass Is A Stand-Mounted Compass That Can Be Mounted On The Deck To Get The Angle Of Correct Compass View For Direction Control.