Download LiteratureRitchie Compass S-53 CompassExplorer 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 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 Warranty Approx. Shipping Weight: 1lb (454g)Notes: Comes standard with 12V lighting. 6 & 24V lighting options are available.Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting. Specifications:Lubber Lines = NONE Mounting Style = Surface Read = Front Backlight = YesRITCHIE S-53 EXPLORER COMPASS, BLACKNormalized SKU: S53UPC Code: 010342160416Ritchie Compass S-53 Literature Download Quick Reference Guide Owners Manual