Explorer CompassExplorer Compass Features 2-3/4 Easy to Read Direct Reading Dial Easily Installed, Fits 3.75 9.53 cm Mounting Hole. NOTE Be sure you print the template Actual size 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 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.