Portable transducers mount on the transom or side of most smooth surface wood, aluminum or fiberglass boats. A heavy-duty suction cup provides temporary installation and holds the transducer at trolling speeds only. 15ft cable and hardware included. This model will work with Matrix 10, 15, 17, 20, 25, 27, 55, 65, 67, 77c, 87c, 97; Piranha 1**, 2**, 3*, 4*, 5*; PiranhaMAX 210*, 215*, 220*, 230pt*; Fishfinder 515, 525, 535, 565, 580, 585c, 595c; 931c, 937c; 323, 343c, 363, 383c; 717, 727, 747c, 757c, 767, 777c, 787c; 917c