Explorer CompassFeatures: 2 3/4" (70 mm) 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. Specifications: Read: Front Mounting Style: Surface Backlight: Yes Lubber Lines: Yes Box Dimensions: 4"H x 5"W x 5"L WT: 0.8 lbs UPC: 010342160454 Quick Guide (pdf)Owner&';s Manual (pdf)