Garmins GT10HN-IF Ice-Fishing Transducer generates a narrow beam (8-16 beam angle) for precise fish and jig detection. It delivers a clear picture of the bottom, excellent target separation and crisp, wide fish arches. High wide-band CHIRP HD-ID traditional sonar with a power rating of 500 watts. Perfect for use with a Garmin Portable Kit (not included). Silicone-coated cable stays pliable in frigid temperatures. Includes four-pin transducer, four- to eight-pin adapter, foam float with grommet and installation instructions. Type: Ice-Fishing Transducers.