GT8HW-IH In-Hull Transducer - 8-PinGT8HW-IH transducer is ideal for bass boats that want to install the transducer inside a fiberglass hull and not on the transom where cavitation could cause issues. It requires a flat section in the hull to be mounted and is excellent for boats traveling at high speeds that want to maintain accurate depth readings.The 8-pin transducer features high-wide CHIRP traditional sonar (150-240 kHz) and has a power rating of 250 W. It can be used in conjunction with a GT30-TM transducer and an adapter cable so you can maintain depth at high speeds and scanning capabilities at trolling speeds.For installation, follow the included 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.