Voyager Compass Features: 3" PowerDamp Flat Dial * Easily Installed. * Exclusive Built-in Green NiteVu Night Illumination * Built-in Compensators to Easily Adjust for Deviation * Scientifically Matched Sapphire Jewel and Hardened Steel Pivot Dial Movement * Powerful DirectiveForce Magnets for Fast Heading Lock-on * Movable Sun Shield * 45 Degree Lubber Lines * High Temperature Composite Construction for Extended Operating Range * Custom Fitted Protective Covers Available * 100% Repairable * Exclusive 5-Year Ritchie Warranty