Humminbird Transducer Plastic Thru Hull XPTH 9 HDSI 180 TDual/High Definition Side Imaging, 20/74/84 Degree, 200/83/455/800 kHz with built in temperature. 30' cable. Transducer dimensions: 5.95"L X 3"W.Shaft diameter: 1.0" Fairing block included.For Use With These Models: 1197c SI Combo 997c SI Combo 797c2 SI Combo (does not include 800 kHz for high definition) 798c SI Combo (does not include 800 kHz for high definition). Contents:Humminbird Transducer Plastic Thru Hull XPTH 9 HDSI 180 T.