Speed Sensor, 20 ft cable, transom mount. Speed range of 2-75 MPH. Will not work with any Wide series product. For use with: 1155c, 1157c,1197c SI, 141C, 161, 200DX, 300TX, 323, 325, 343C, 345c, 363, 365i, 383C, 385ci, 400TX, 515, 525, 535, 565, 560, 570, 575, 580, 581i, 585C, 586C, 587CI, 595C, 596C, 597CI, 717, 718, 727, 728, 737, 747c, 755c, 757c, 767, 768, 777c2, 778C, 785 c2, 787c2, 787c2I, 788C, 797c2 SI, 797c2I SI, 798C, 917C, 931C, 931C DF, 937C, 937C DF, 947C 3D, 955c, 957, 967C 3D, 981C SI, 987C SI, 997c SI.

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov