FEATURES

This accessory is compatible with the following Humminbird products: HELIX 8 G3N Series MEGA DI+ and MEGA SI+, HELIX 9 G3N Series MEGA DI+ and MEGA SI+, HELIX 10 G3N Series MEGA DI+ and MEGA SI+, HELIX 12 G3N Series MEGA DI+ and MEGA SI+.
Dual Spectrum CHIRP Frequencies: Full: 150-220 kHz, Narrow: 180-240 kHz, Wide: 140-200 kHz
Dual Spectrum CHIRP Max Depth: 1200ft (365m)
Down Imaging Frequencies - Max Depth: 455kHz: 440-500 kHz - 400ft (122m), 800kHz: 790-850 kHz - 125ft (38m), MEGA DI+: 1075-1150 kHz - 200ft (61m)

Rugged composite design, impact-release mounting bracket and 20' cable.