Intelliducer, NMEA 2000, Thru-Hull0-12° deadriseAdd sonar to your boat's marine instrumentation capabilities. This intelligent transducer determines water depth and temperature and sends the data to your NMEA 2000 device. This thru-hull version mounts on a 0-12° deadrise angle. WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.