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: 1 lb 8 oz (680g). Protective Cover: V-83-C. Replacement Parts. Light Assembly: SH-0195 KIT (Green);SH-0202 KIT (Red) Sunshade: SH-0131XSP; Lower: VY-0171XSP. Thumbscrews: SH-0077XSP. Bracket: VY-0007XSP. Notes: All magnetic compasses come standard with 12 volt lighting. 24 & 32 volt lighting options are available. Uses 2 sets of lights.