Illuminated Marine pivoting compass. Wired for 12 Volt red illumination. Visible Lubber Line. With Adjustable Mounting Bracket. Adjustable Sun Visor. Individually balanced dials for Precision. Fast Response and precision Engineering. Corrosion Resistant, waterproof, durable and long lasting. Built in Accuracy compensators. Windshield or Dash Mount. Easy to read precision dial. With Mounting screw slot suitable for Watercraft, Boat, Caravan and Truck.