Down Imaging and DualBeam PLUS sonar with 4000 watts PTP power output. Maximize your angling experience with the Humminbird HELIX 5 DI fishfinder system.CHIRP Frequencies (Out of Box Transducer)455 kHz: 420-520 kHz800 kHz: 790-850 kHzMaximum Depth: 600 feetDOWN IMAGING SONARDown Imaging Sonar -- Get a fish-eye's view of what's happening below your boat.
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