The accurate and dependable 103AC is the most widely used, electronic tactical sailing instrument available today. Ideal for racing sailors, the waterproof, remote display provides easy-to-read heading, windshift, and off-course steering information wherever you need it the most. And its standard NMEA 0183 output allows it to interface with other onboard equipment, including radar, autopilots, plotters, PC software, Loran, and GPS units. Heading displayed in precise bold numbers while graphic steering indicator displays wind shifts. This additional display can be mounted wherever needed.