Garmin 010-11417-10 Steady Cast Heading Sensor

Its 10 Hz output rate and accuracy of plus or minus 3 degrees ensures your chart orientation and boat heading line match up with reality even at trolling speeds or when dead in the water. Installs easily with Nmea 2000 plug-and-play interface and a simple 2-step calibration process. Its 9-axis Mems technology allows installation in any orientation located away from magnetic interference. Steady Cast is built to withstand bilge environments.