Stay on course and keep an eye on those headers and lifts as you make your way upwind to your destination. Any proper yacht should be equipped with a compass, and here's one that will look great on your Mac.
5 year Plastimo warranty.
Double reading from outside and inside for Contest.
Horizontal and vertical reading red card and black body.
Also acts as an clinometer.
Installation manual and adhesive drilling template included.
Has 12V light for optional night use.