Navigator CompassNavigator Compass Features 4-1/2 PowerDamp Flat Card Dial with Large Numerals Easily Installed, Fits 4.75 12.07 cm Mounting Hole 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 Construction for Extended Operating Range Custom Fitted Protective Covers Available 100% Repairable Exclusive 5-Year Ritchie WarrantyApprox. Shipping Weight 2 lbs 10oz 1.19kg Notes Comes standard with 12V lighting. 24 32V lighting options are available. Some custom built OEM models may have different lighting.For Navigators built before 1986 please see the service manual page 6- 12 or contact Ritchie for replacement lighting.