GT15M-TM Transom Mount Transducer - 8-PinGT15M-TM transducer is perfect for fishermen who want clear bottom definition under the boat as well as crisp, clear and wide fish arches with excellent target separation to depth up to 1,900 feet.The 8-pin transducer features mid-band CHIRP traditional sonar (85-165 kHz) and has a power rating of 600 W. It can be mounted on the transom.Follow the included installation instructions carefully to avoid damaging your boat.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.