[Application]: This Is A Professional Multi-Functional Dashboard Compass, Ideal For Boat, Boat, Truck, Caravan And So On, Works Well For Navigation Without Extra Power Source Or Tools[Design With Led Lights]: This Digital Compass Navigation Can Connect The Vehicle Or Ship The Power Supply With The Power Cord To Let You Read Data In Dark Environment[High Accuracy]: This Boat Compass Dashboard With Quick Response And Precise Navigation Makes It Easy To Read The Precise Dial; An Additional Correction Tool Is Provided To Correct The Compass Deviation As Needed[Quality Materials]: Made Of High Quality Abs Plastic Material, Which Is Durable, Corrosion Resistant, Environmentally Friendly; And The Marine Compass Navigation With Adjustable Mounting Bracket Can Easily Attach To Almost Any Flat Surface Using Eva Foam Sticker Or Screws[Unique Design]: Considering Convenience And L Drivers' Habit, This Product Deliberately Reverses The Magnetic Steel Of The Compass, So That The Compass Points In The Direction The Car Is Heading, As Opposed To Conventional Compass Products