Garmin's bronze, thru-hull mount transducer with fairing provides depth, temperature and speed data. Garmin's transducer has an operating frequency of 50 or 200 kHz and mounts on a 0-24° deadrise angle. Product : GARMIN B744V 600 WATT TRIDUCER 50/200KHZ 8 PIN Manufacturer : GARMIN Manufacturer Part No : 010-10183-22 UPC : 753759971779