Ritchie FN-201W Navigator Compass - Flush Mount - White. Ritchie expertly designed these Compasses with Rite-Lock mechanisms that ensure the compass stays locked on your boat's heading even after it begins to drift. This Ritchie Navigator LED Compass has a NiteVu night illumination system that glows without the use of batteries and you can easily install these Ritchie Navigator Lightweight Compass Units yourself without a dim box. Plus these compass knobs are all re-settable and you can add subtract and rotate these compasses for accuracy in any situation. Whether you're a fisherman or boater you can ensure your boat is heading in the right direction by using this Ritchie Navigator Navigational Compass. Specifications for Ritchie FN-201W Navigator Compass: Manufacturer: Ritchie Color: White Features of Ritchie FN-201W Navigator Compass 4-1/2" PowerDamp Flat Card Dial with Large Numerals Easily Installed Fits 4.75" (12.07cm) Mounting Hole 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 45 Degree Lubber Lines High Temperature Construction for Extended Operating Range Custom Fitted Protective Covers Available 100percent Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 2lbs 10oz (1.19 kg) For Navigators built before 1986 please see the service manual page 6-12 or contact Ritchie for replacement lighting. 12 volt lighting standard - 24 & 32 volt lighting options are available. Package Contents: Ritchie FN-201W Navigator Compass Ritchie FNW-201: FN-201W Navigator Compass - Flush Mount - White