Humminbird XPTH-9-HW-MSI-TModel: 710284-1This accessory is compatible with the following Humminbird products: HELIX 8 CHIRP MEGA SI+ GPS G3N, HELIX 9 CHIRP MEGA SI+ GPS G3N, HELIX 10 CHIRP MEGA SI+ GPS G3N, HELIX 12 CHIRP MEGA SI+ GPS G3N.Dual Spectrum...