The Furuno 525ST-MSD is a Bronze Thru-Hull Transducer with Speed and Temperature included. Maximim 600 Watts. Dual Frequency (50/200 Khz) with a 40 degree cone angle on 50 Khz and 10 degree cone angle on the 200 Khz frequency. Comes with a Fairing Block and 30 feet of cable with a 10 pin connector.