HUMMINBIRD(R)
Hydrodynamic; Single or dual beam (depending on which fishfinder used); 20deg /60deg ; 200kHz/83kHz; Built-in temperature; Compatible with Matrix 10, 12, 15, 17, 20, 27, 67, 77, 87, 97; all PiranhaMAX(TM) (except 240, 180, 165, 175, 176i, 195c, 196ci,...