The Humminbird® Helix™ 10 SI GPS Fishfinder/Chartplotter sets a course for angling success with the most sophisticated pairing of fish-detecting and wayfinding technologies in the industry. Unbeatable HD Side Imaging and HD Down Imaging with 180Á coverage give picturesque depictions of underwater activity. Advanced SwitchFire™ sonar lets you control onscreen detail levels; account for water depth, temperature, and turbulence; even experiment with lure presentations—all with just the push of a button. DualBeam Plus sonar utilizes dual frequencies in a combined presentation for high-accuracy returns and a wide search area in the same display. Returns appear in vivid detail on the LED-backlit, extra-bright, wide-screen, color, 10", stunningly sharp 1024x600 display. Built-in GPS with included ContourXD mapping makes picking the best course as enjoyable as the trip itself. The acclaimed cartography software covers 3,000 US lakes, many with variable depth contours. The Humminbird Helix 10 SI GPS Fishfinder/Chartplotter boasts compatibility with the industry's most robust mapping suites, including Humminbird LakeMaster®/PLUS, Navionics® Gold, HotMaps and Platinum+, Humminbird AutoChart® and AutoChart PRO™, and Minn Kota® i-Pilot® Link®. Wide range of traditional sonar frequencies: 50/83/200/455/800 kHz. This powerful unit further enhances your potential with pairing capability to 360 Imaging®, Bluetooth® Remote, autopilot, HD Radar, AIS, NMEA 2000®, and the Humminbird 5-Port Ethernet Switch for ultimate connectivity.
Manufacturer model #: 409990-1.

10" display in stunning 1024x600-resolution detail
Extra-bright, LED-backlit, color display
HD Down Imaging and HD Side Imaging 455/800 kHz
SwitchFire sonar
Control onscreen detail; monitor water depth, temperature, and turbulence
DualBeam Plus sonar
High-accuracy returns with a wide search area
Wide range of traditional sonar frequencies: 50/83/200/455/800 kHz
Built-in GPS
ContourXD mapping—covers 3,000 US lakes, many with variable depth contours
Compatible with several optional mapping suites
Ethernet connectivity