RA-91 - RitchieAngler RitchieAngler Compass Features: 2 3/4" Direct-Reading Dial Easily Adjustable Bracket Mount with Thumb-screws No-Glare Gray Finish with High-Visibility Blue Dial Distinctive RitchieAngler Graphics Scientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial Movement Internal Green Night Lighting Built-in Compensators to Easily Adjust for Deviation Movable Sun Shield DirectiveForce Magnets 100% Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 1lb (454 g) Protective Cover: E-50-C Replacement Parts Light Assembly: 12 Volt: EX-0005-2; 6 Volt: EX-0099-2 Thumbscrews: EX-0081XSP Notes: All magnetic compasses come standard with 12 volt lighting. 24 & 32 volt lighting options are available. Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting.