Supersport(TM) CompassesDeveloped for and tested on offshore race boats the SuperSport Series compasses feature the PowerDampA(R) Plus dial. This dial technology features the PowerDampA(R) dial skirt to prevent oscillation, larger DirectiveForce(TM) magnets for quick lock on and extra-large steel pivots and jewels for smooth fast action.Features: 5" (127 mm) PowerDamp Plus, High-Visibility Blue Open Face Dial with Extra Large White Numerals Easily Installed, Fits 6 1/4" (15.88 cm) Mounting Hole Built-in Compensators to Easily Adjust for deviation Internal Gimbal Systems for Maximum Stability During Adverse Pitch and Roll Conditions 12v Green LED lighting Standard 100% Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 5lbs 12oz (2.6kg)Notes:12v lighting standard - 24 & 32v lighting options are available. Specifications: Read: Rear Mounting Style: Flush Backlight: Yes Lubber Lines: Yes Box Dimensions: 9"H x 9"W x 10"L WT: 5.7 lbs UPC: 010342050410 Quick Guide (pdf)Owner&';s Manual (pdf)