Humminbird XHS-9-HDSI-180T TM Transducer [710201-1]Transom Mount Transducer Dual HD Side Imaging Transom, 20 60 180 cable degree, 200 83 455 800 kHz with built in temperature. 20' cable. 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. Specifications: Speed Included: No Mounting Style: Transom Chirp: No Cable Length (Feet): 20'