Ritchie - Voyager Compass - Bracket Mount - Black - B-81. Voyager Compass Features: 3" CombiDamp Dial Adjustable and Removable with Bracket and Thumbscrews Exclusive Built-in Green NiteVu Night Illumination Built-in Compensators to Easily Adjust for Deviation Scientifically Matched Sapphire Jewel and Hardened Steel Pivot Dial Movement Powerful DirectiveForce Magnets for Fast Heading Lock-on Movable Sun Shield High Temperature Composite Construction for Extended Operating Range Custom Fitted Protective Covers Available 100% Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 1lb 8oz (680g). Notes: All magnetic compasses come standard with 12 volt lighting. 24 & 32 volt lighting options are available.. Uses 2 sets of lights.