Transom Mount, MEGA Down Imaging, 455 kHz and 1.2 MHz and Dual Spectrum CHIRP 2D Sonar with a CHIRP range of 150-220kHz. Includes built-in temperature. Compatible with: HELIX 7 CHIRP MEGA SI GPS G3, HELIX 7 CHIRP MEGA SI GPS G3N.

• Compatible with: HELIX 7 CHIRP MSI GPS G3, HELIX 7 CHIRP MSI GPS G3N, HELIX 7 CHIRP MSI GPS G4, HELIX 7 CHIRP MSI GPS G4N

• Cable Length: 20 Feet

• Dual Spectrum CHIRP Frequencies: Full: 150-220 kHz, Narrow: 180-240 kHz, Wide: 140-200 kHz

• Dual Spectrum CHIRP Max Depth: 1200ft (365m)

• Side Imaging Frequencies – Max Range (side-to-side): 455kHz: 440-500 kHz – 800ft (146m), MEGA SI: 1075-1150 kHz – 250ft (76m)

• Down Imaging Frequencies – Max Depth: 455kHz: 440-500 kHz – 125ft (38m), MEGA DI: 1075-1150 kHz – 75ft (23m)