Garmin GT12M Bronze Thru-Hull - 350W - 12 DegreeMeet the Garmin GT12M Bronze Thru Hull 350W 12 Degree: a flush mounted transducer built for midsize fishing and cruising boats that minimizes drag while delivering reliable, detailed sonar returns. It supports mid band CHIRP for enhanced target definition of fish arches, structures, and bottom depth on Garmin displays. Transducer type: Bronze thru hull, flush mounted design to minimize drag while preserving sonar clarity Power: 350 W transducer power