ST-TU

Speed/temp probe.

Works with: FishEasy 2 (w/ Black Connector), FishEasy 240, FishEasy 320, FishElite 320, FishElite 480, FishElite 500C, FishElite 502C iGPS, FishElite 640C, FishElite 642C iGPS, FishMark 320, FishMark 480, FishMark 500C, FishMark 640C, FishStrike 1000C, FishStrike 2000C, M56 S/MAP, M68C S/MAP, SeaChamp 1000C DF, SeaChamp 2000C DF, SeaCharter 500C DF, SeaCharter 502C DF iGPS, SeaCharter 642C DF iGPS, SeaFinder 240DF, SeaFinder 320DF, SeaFinder 480DF, SeaFinder 500C DF, SeaFinder 640C DF, X67C, X96, Elite-5, Elite-5x.