The Humminbird 409640-1 HELIX 5 SI/GPS Combo features a brilliant 800H x 480V, 5" 256 color display with backlight. Side Imaging/Down Imaging and Dual Beam Plus sonar with 4000 watts PTP power output, Precision Internal GPS Chartplotting with built-in UniMap cartography with a micro SD card slot for...

The Helix 5 si GPS kvd edition features a 5 inch wvga display. Side imaging and dual beam sonar work together to create an illustrative picture of underwater cover.