Lowrance HST-WSU 200 KHZ Transom Mount Transducer Transom mount skimmer transducer 200kHz, 20 degree beam angle With temperature sensor Includes 20' cable Uni-plug Connector Transom-mount transducer for select fishfinders Helps find fish, measure depth, and determine water temperature 200 kHz frequency; wide 20-degree cone angle Comes with 20-foot power cable