Airmar TM275C-LHW Transom Mount Low/High Wide CHIRP Transducer with Bare Wire Mix-N-Match CableModel: TM275C-LHW-0Depth & fast-response water-temperature sensorLow - CHIRPS from 42 kHz to 65 kHz - 25° to 16° beamwidthHigh - CHIRPS from 150 kHz to 250 kHz...