Humminbird - XHS-9-HDSI-180T TM Transducer - 710201-1 Transom Mount, Dual/High Definition Side Imaging 20/60/180 Degree, 200/83/455/800 kHz with built-in temperature. Transom Mount Transducer Dual/HD Side Imaging Transom 20/60/180 cable degree 200/83/455/800 kHz with built-in temperature Cable Length - 20' WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.