Navigator CompassFeatures: 4 1/2″ (115 mm) CombiDial with Large Numerals Easily Installed, Fits 4.75″ (121 mm) to 5.125″ (131 mm) Mounting Hole 12v Green LED lighting Movable Sun Shield 45 Degree Lubber Lines Built-in Compensators to Easily Adjust for Deviation High Temperature Construction for Extended Operating Range 100% Repairable Exclusive 5-Year Ritchie Warranty Approx. Shipping Weight: 2 lbs 10 oz (1.19 kg)Notes:12v lighting standard - 24 & 32v lighting options are available. Specifications: Read: Both Mounting Style: Flush Backlight: Yes Lubber Lines: Yes Box Dimensions: 7"H x 8"W x 8"L WT: 3 lbs UPC: 010342150295 Quick Guide (pdf) Owner's Manual (pdf)