Temp/Speed SensorTemperature and Speed Sensors are an optional accessory for many Humminbird fishfinders. The sensors provide quick response to changes, and readout from 2 to 70 MPH for speed, and from 25 degrees to 99 degrees for temperature. Description: Temp/Speed Sensor, 20 ft. cable. Temperature range of 25-99.9 degrees F. Speed range of 2-75 MPH.For Use With: Wide Eye,Wide View, Wide Vision, Wide 3D View, Wide 3D Vision, Wide 3D Vista, Wide Optic, Wide Portrait, Wide Panorama, Wide Paramount, Wide 3D Paramount, Wide 2000, Tour Series, 200DX, 300TX, 400TX, 405SX, Legend 1000, Legend 1000 Deep, Legend 2000, Legend 2000 Deep, Legend 3000, Legend 3000 Deep, Legend ID40, Matrix 10, Matrix 10 Portable, Matrix 10 Track Pack, Matrix 15, Matrix 15 Plus, Matrix 17, Matrix 20, Matrix 20 Portable, Matrix 20 Track Pack, Matrix 25, Matrix 25 Plus, Matrix 27, Matrix 35, Matrix 35 Plus, Matrix 37, Matrix 55, Matrix 65, Matrix 67, Matrix 97, Fishfinder 515, Fishfinder 535, Fishfinder 565.WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.