Download LiteratureRitchie Compass B-80 CompassVoyager CompassVoyager Compass Features: 3" PowerDamp Flat 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. Specifications:Lubber Lines = NONE Mounting Style = NONE Read = Front Backlight = YesRITCHIE B-80 VOYAGER COMPASS Normalized SKU: B80UPC Code: 010342140104Ritchie Compass B-80 Literature Download Quick Reference Guide Owners Manual