Humminbird XTH 9 DB 74 P Plastic Thru-Hull Transducer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Dual Beam transducer</li><li>200/74 degree</li><li>Used for ONIX and ION Series at 200/50 kHz</li><li>Temperature included for ION ONIX Series</li><li>Humminbird Limited Warranty</li><li>Thru-hull transducer， works with thinner hulls， while internal， steel sleeve provides extra reinforcement</li><li>Dual-beam transducer with 20-， and 74-degree beam angles and operating frequencies of 200 kHz and 50 kHz</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41MGhgDr-SL.jpg" noproxy>