Furuno Thru-Hull CHIRP Transducer B265LH B265LH. B265LH(Low & High-Frequency) Depth & fast-response water-temperature sensor Low-CHIRPS from 42 kHz to 65 kHz 25 to 16 beamwidth High-CHIRPS from 130 kHz to 210 kHz 10 to 6 beamwidth 103 kHz of total...