The Tour Series Sonar Adapters are designed to provide clean, clear signals for the leading brands of sonar.For the following models:Lowrance: LCF-1440*, LST-3800*, M52i S/GPS, M56, M68C, M-68I s/Map, X-22A, X-25A, X-25B, X-37TX*, X-45, X-47/EX/TX*, X-50DS, X-67C, X-86DS, X-96Eagle Models: Cuda 128*, Cuda 168/EX*, Cuda 240 GPS*, Cuda 242*, Cuda 250 S/Map*, FishEasy 2/2T*, FishEasy 240*, FishEasy 245DF/DS, FishEasy 250DF, FishEasy 320C*, FishElite 480, FishElite 500C, FishElite 502C iGPS, FishElite 640C, FishElite 642C iGPS, Fishmark 320*, FishMark 480*, FishMark 500C*, FishMark 640C*, FishStrike 1000C, FishStrike 2000C, SeaChamp 1000C DF, SeaChamp 2000C DF, SeaCharter 500C DF, SeaCharter 502C DF/iGPS, SeaCharter 640C DF, SeaCharter 642C DF iGPS, SeaFinder 240DF, SeaFinder 245DF, SeaFinder 250DF, SeaFinder 320DF, SeaFinder 480DF, SeaFinder 500C DF, SeaFinder 640C DF * Model not compatible with temperature sensor.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.