Explorer CompassExplorer Compass Features 2-3/4 Easy to Read Direct Reading Dial Compact Low-Profile Design Quick Push-Button Removal of Compass Module for Storage and Security Choice of Colors Internal Green Night Illumination Built-in Compensators to Easily Adjust for Deviation Scientifically Matched Sapphire Jewel Hardened Steel Pivot Dial Movement Powerful DirectiveForce Magnets for Fast Heading Lock-on Movable Sun Shield High Temperature Composite Construction for Extended Operating Range 100% Repairable Exclusive 5-Year Ritchie WarrantyApprox. Shipping Weight 1lb 454g Notes All compasses come standard with 12V lighting. 24V lighting option is available.Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting.