Ritchie Trek Compass Features Ideal for Runabouts, Center Consoles, Ski Boats, Flats Boats, Bass Boats, Cars, Trucks, RV's and ATV's 2 1/4" Direct Reading Dial with Large Numerals for Easy Reading Gray with Blue Dial, Bracket Mounted Strong Directive Force Magnets and Composite Dial for Fast Performance Built-in Compensators to Correct for Deviation Extra Large Diaphragm and Rugged Construction Provide Extended Operating Temperature Range High-Impact Rubber Accent Strip Built-in, 12-Volt Green NiteVu Lighting 100% Repairable Exclusive 5-Year Ritchie Warranty