GT8HW-TM Plastic, TM or Trolling Motor Transducer, High Wide CHIRP - 150-240kHz, 250W, 8-PinGT8HW-TM transducer is perfect for shallow water fishermen who want clear bottom definition under the boat as well as crisp, clear and wide fish arches with excellent target separation. The wider beam width - up to 24 degree beam angle - provides a larger coverage area in the water.The 8-pin transducer features high wide band CHIRP traditional sonar (150-240 kHz) and has a power rating of 250 W. It can be mounted on the transom or a trolling motor. 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.