The Humminbird HELIX 9 CHIRP MEGA SI GPS G2N features a large 9" display with LED backlight, CHIRP-ing MEGA Side Imaging, MEGA Down Imaging and 2D sonar. Includes GPS chartplotting, built-in Bluetooth, Ethernet networking capabilities, AutoChart Live with depth, vegetation and bottom hardness mapping, and unit cover.
455kHz Side Imaging provides 800 ft of side to side coverage.
455kHz Down Imaging works to a depth of 400 feet.
1.2 MHz Side Imaging provides 250 feet of side to side coverage.
1.2 MHz Down Imaging works to a depth of 125 feet