Garmin Airmar P79 010-10327-20， Airmar P79 Transducer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Adjustable deadrise angle</li><li>Depth of 800 to 1， 200 ft</li><li>Operating frequency of 50 to 200 kHz</li></ul></div><img src="http://ecx.images-amazon.com/images/I/413R5%2BkvUUL.jpg" noproxy>