GVO Marine Electronics: We provide reliable, safe online shopping 24 hours a day, 7 days a week throughout the U.S. and the world. We are strongly committed to providing our customers with top quality merchandise and world class service. Model 32772 Smart Thru-Hull Mount Transducer with Depth Temperature (20, NMEA 2000) - Airmar DT800 Our plastic smart thru-hull mount transducer provides depth and temperature data to your NMEA 2000 network. This 100 W transducer has a depth of 600 ft; an operating frequency of 235 kHz; a beamwidth of 12 degrees; and a 16 to 24 degree deadrise. Transducer kit comes with installation instructions. Follow the instructions carefully to avoid damaging your boat. This product may not be returned to the original point of purchase. Please contact Garmin directlty with any issues or concerns. GVO Marine Electronics: Get the item you ordered or get your money back. Covers your purchase price and original shipping .