Helmsman Steel Boat CompassHelmsman Steel Boat Compass Features3-3/4" PowerDamp DialSpecial Reinforced Bracket with Quadrantal CorrectorsHardened Steel Pivot and Sapphire Jewel Movement45 Degree Lubber LinesFull Internal GimbalsExclusive Built-in Green NiteVu LightingBuilt-in Standard Compensators and Booster Magnets on BaseMovable Sun Shield100% RepairableExclusive 5-Year Ritchie WarrantyApprox. Shipping Weight: 6lbs (2.72 kg)Notes: Comes standard with 12 volt lighting. 24 & 32 volt lighting options are available. For all Helmsman built before 1992 please see the service manual page 5-14 or contact Ritchie for replacement lighting.Some custom built OEM models may have different lighting.