The Navigator Compass with Binnacle Mount is ideal for both power and sailboats. It has a 4.5" PowerDamp Flat Card Dial with large numbers. It fits all popular sailboat steering pedestals, and is easy to install. 12V Green LED lighting comes standard. It has built-in compensators to easily adjust for deviation, a movable sun shield, and 45 degree lubber lines. It boasts high-temperature construction for extended operating range, making it a great choice for your boat.