Product Description Plastimo Offshore 55 CompassIdeal on small size power boats up to 6 m (20 ft).Bracket-mount: Large stable base absorbs vibrations, simply screwed on dashboard.Card: Contributes to safety and provides reliable reading, whatever the ambient light and weather/navigation conditions (conical card, perfectly stable, 55 mm apparent diameter).Molded-in notch to visualize heading easily.Materials: All parts fully UV-ray treated. Scratch resistant dome.Watertight construction: One-piece molded flange and bowl. Diaphragm for absolute water-tightness.UNIVERSAL BALANCE Boat size: Powerboats up to 6 meters (20 ft). Compass card: Conical card graduated every 5°, apparent Ø 55 mm. Heading numerals every 30° Mounting: Bracket-mount, on a horizontal, tilted or vertical surface. Reading: 1 molded-in notch to visualize heading easily. Compensation Optional (access by removing the top flange) Lighting Optional: 12/24 V LED bulb. Access by removing the top flange. Supplied with: Orientable installation base and screws.