Raymarine ST40 - small instruments with BIG personality at an affordable price. Combining the latest in FSTN LCD technology with large 1.10" digits provides super sharp visibilty from any viewing angle in any condition. Perfect for use as stand alone instruments or connected via SeaTalk to your Raymarine autopilot or navigation equipment, ST40's are a powerful addition to any system. If black and white isn't your style, choose the optional colored bezels available in silver, iridescent or carbon fiber.