Supersport™ CompassesDeveloped for and tested on offshore race boats the SuperSport Series compasses feature the PowerDamp Plus dial. This dial technology features the PowerDamp dial skirt to prevent oscillation, larger DirectiveForce™ magnets for quick lock on and extra-large steel pivots and jewels for smooth fast action. 4-1/2 PowerDamp Plus, High-Visibility Blue Dial with Extra Large White Numerals Easily Installed, Fits 4.75 12.06cm to 5.125 13.02cm Mounting Hole Built-in Compensators to Easily Adjust for Deviation Internal Gimbal Systems for Maximum Stability During Adverse Pitch and Roll Conditions 12V Green LED lighting standard 45 Degree Lubber Lines 100% Repairable Exclusive 5-Year Ritchie WarrantyApprox. Shipping Weight 2lbs 10oz 1.19kg Notes Comes standard with 12V lighting. 24 32V lighting options are available. Some custom built OEM models may have different lighting.