Explorer CompassExplorer Compass Features:2-3/4" Easy to Read Direct Reading DialEasily Installed, Fits 3.75" (9.53 cm) Mounting Hole. (NOTE: Be sure you print the template Actual size)Internal Green Night IlluminationBuilt-in Compensators to Easily Adjust for DeviationScientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial MovementPowerful DirectiveForce Magnets for Fast Heading Lock-onMovable Sun ShieldHigh Temperature Composite Construction for Extended Operating Range100% RepairableExclusive 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.