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 *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