Ritchie - S-53G Explorer Compass - Surface Mount - Gray - S-53G. Explorer Compass Features. 2-3/4" Easy to Read Direct Reading Dial. Compact Low-Profile Design. Quick Push-Button Removal of Compass Module for Storage and Security. Choice of Colors. 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. 100% Repairable. Exclusive 5-Year Ritchie Warranty. Approx. Shipping Weight: 1lb (454g). Notes:. All compasses come standard with 12V lighting. 24V lighting option is available. Some custom built OEM models may have different lighting. Contact Ritchie for replacement lighting.