The temperature sensor offers quick response for monitoring water surface temperature or live-well temperature. 20 cable and hardware included 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, 917c, 931c DF, 937c DF, 937 DF2, 957c, 967c 3D, 947c 3D; Matrix 47 3D, 981c SI, 987c SI, Wide Optic, Portrait, Panorama, Paramount, 300TX 400TX, Matrix 35, 37; 737; 575. Optional:(Matrix 67, 87c, 97; 727, 737, 747c, 757c, 767, 777c, 787c), 797c SI, 997c SI., 200DX, NS25** HDR600**, HDR200** Proflasher**, Wide W, LCR W, 405SX, Legend 1000, 2000