Lowrance Low/high Chirp Structurescan 3d Thru Hull Accessories Helm-1 is only compatible with

Helm-1 is only compatible with the NAC-1

Using clip-in cradles

or if it’s time to make an adjustment — information that is harder to get from traditional sonar or structure imaging

Manufacturer Part No : A80525

For boats with steep or variable deadrise hull angles

Lowrance Low/high Chirp Structurescan 3d Thru Hull Accessories Helm-1 is only compatible withLowrance Low High CHIRP and StructureScan 3D Thru Hull Transducer Model: 000 14254 001 Never miss a fish and always know where fish and structure are located in relation to your boat with the powerful combination of Lowrance StructureScan 3D and CHIRP sonar featured in the new StructureScan 3D thru hull transducer StructureScan 3D with enhanced SideScan and DownScan Imaging provides picture like views of fish holding structure, plus easy to understand