Perfect Marine Navigation Compass--The Pointing Direction Of The Compass Is Same With The Way Forward Of The Vehicles. Fit for car, watercraft, boat, caravan and truck and anywhere the beaten track takes you. High Accuracy-- Built-in accuracy compensator to easily adjust for deviation, which makes the reading more precisely, improve its accuracy and decrease its errors, ensuring your driving or sailing safety. Waterproof Design-- With compact size, this digital sea boat compass is very portable, and it is easy to install or use. Waterproof design, fast response, precision engineering reading display. Easy to InstallThis car dashboard compass can be mounted on deck or dash; allows compass to remain at proper viewing angle. Mid size bracket mount, more stable for navigational course changes Precisely Reading-- Easy to install and visible lubber line for easy direction reading. Made of high quality material, Waterproof, corrosion resistant. Specifications Main Body Material: ABS Color: Black Size : 5.7 x 5.7 x 5.8cm / 2.24" x 2.24" x 2.28" Package Weight: 65g Fitment For Watercraft, Boat, Caravan and Truck Package Included: 1 x Compass, 1 x Magnetic Declination Adjustment Plectrum