Ritchie Explorer Compass - Bracket Mount - White. Ritchie built these Compasses with a rugged heat-resistant housing and steel pivot to ensure this device can take the harsh elements of the water and survive. This Ritchie B-51W Navigator Compass has Internal green illumination for nighttime use and declination is easily adjusted. Also there are compensators to instantly correct for heading errors. If you need a reliable directional reference for your marine vessel try the Ritchie B-51W Adjustable Explorer Compass. Specifications for Ritchie B-51W Explorer Compass: Manufacturer: Ritchie Color: White Features of Ritchie B-51W Explorer Compass 2-3/4" Easy to Read Direct Reading Dial Adjustable and Removable with Bracket and Thumbscrews Internal Green Night Illumination Built-in Compensators to Easily Adjust for Deviation Scientifically Matched Sapphire Jewel & Hardened Steel Pivot Dial Movement Powerful DirectiveForce Magnets for Fast Heading Lock-on Movable Sun Shield High Temperature Composite Construction for Extended Operating Range 100percent Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 1lb (454g) All compasses come standard with 12 volt lighting. 24 volt lighting option is available. Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting. Package Contents: Ritchie B-51W Explorer Compass Ritchie B-51W: B-51W Explorer Compass - Bracket Mount - White