Garmin GT15M-IH Transducer. 8-Pin, 20 foot cable. Ideal for boats that want to install the transducer inside a fiberglass hull and not on the transom where cavitation could cause issues. Excellent for boats traveling at high speeds that want to maintain accurate depth readings. Can be used with a hull deadrise angle between 0 and 25 degrees. Can be used in conjunction with a GT30-TM transducer and an adapter cable.

For installation, follow the included instructions carefully to avoid damaging your boat.

Power: 600 W
Frequency: CHIRP Mid-band (85-165 kHz)
Maximum Depth: 1,900 feet (freshwater)
Beamwidth: 24 to 13 degrees
Transom Angle: 0 to 25 degrees deadrise