Garmin Bronze Thru-Hull Mount Transducer with Depth & Temperature (12° tilt) - Airmar B75L
The bronze thru-hull mount transducer is designed to allow both traditional and spread spectrum scanning when used with a compatible sonar.
A 300 W transducer with 8 pins, it has a depth of 800 ft; an operating frequency of 40-75 kHz; a beamwidth of 32/21 degrees; and a 8 to 24 degree deadrise.
Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat.