•Keypad Control - Master HELIX at the touch of a button. Access the preloaded views from the user-friendly menu system operated by softkey controls that allow you to reliably operate your fish finder in any condition.

•MEGA Down Imaging - Get unprecedented underwater clarity with coverage down to 125 feet below your boat. You'll unlock new details with up to 3X more detail than standard Down Imaging sonar.

•Dual-Spectrum CHIRP- SonarBefore you cast, know what's down there thanks to highly detailed fish arches and a clear view of the fish-holding structure and the bottom. Powered by a Low-Q CHIRP transducer, Dual-Spectrum CHIRP 2D sonar offers two ways to search: Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail.

•Humminbird Basemap- Enhanced Basemap provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers, and much, much more. Includes charts of more than 10,000 lakes plus coastal coverage for the continental U.S.

•Premium Chart Compatible-Humminbird provides the most complete offering of premium chart options to anglers everywhere. Get a complete view of the world below with optional charts from Humminbird's LakeMaster and CoastMaster products, as well as your choice of compatible Navionics charts. Sold separately.

•AutoChart Live- Create real-time maps of your fishing spots with access to patented Humminbird LakeMaster features. Map depth contours, bottom hardness, and vegetation as you drive your boat. Comes standard with eight hours of built-in recording time and is compatible with AutoChart Zero Line SD cards for virtually endless AutoChart Live mapping capacity.

•One-Boat Network Compatible-This Humminbird model seamlessly integrates and communicates with other Humminbird and Minn Kota products to unlock more features and capabilities for anglers everywhere. Make the most of your time on the water with the exclusive boat control and fish-catching features of the One-Boat Network. Compatible products are sold separately.

•Ethernet Networking- High-speed Ethernet allows you to build a powerful, professional-grade fishing system. Easily connect multiple fish finders or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar. Compatible products are sold separately.

•Bluetooth-Take control right from the screen of your Humminbird with wireless communication to compatible Talon and Raptor shallow water anchors (sold separately). Additional features include wireless software updates from the Humminbird FishSmart App and a display of smartphone notifications on your Humminbird.

•NMEA 2000 Networking Built-In-Connect an accessory NMEA 2000 network to your control head for even more information. From boat performance to weather and water conditions, make sense of it all with NMEA 2000 networking. Compatible products are sold separately.

•Internal GPS

•Dual (2) Micro SD Slots

Specifications:

Item Number: 411640-1

Series: HELIX

Display Size Diagonal: 7 in.

Display Pixel Matrix: 1024 H x 600 V

Sonar Standard: Dual-Spectrum CHIRP and MEGA Down Imaging

Sonar Coverage: 20°, 42°, 60°, and (2) 86° at -10 dB

Sonar Optional: 53 kHz and 50/Low Airmar CHIRP

CHIRP Frequencies: 83/200 (75 - 155 / 130 - 250 kHz), Full Mode (150 - 220 kHz), Narrow Mode (180 - 240 kHz), and Wide Mode (140 - 200 kHz)

Sonar Frequencies: 50/83/200/455/800 kHz and 1.2 MHz

Depth Sonar: 1,200 ft. (standard transducer) and 3,500 ft. (optional 50 kHz)

CHIRP Imaging: 455 kHz (440 - 500 kHz) and MEGA DI (1075 - 1150 kHz)

Depth Down Imaging: 400 ft. (455 kHz) and 75 ft. (MEGA)

Interface: Keypad Control

Features: Built-In GPS, Built-In Mapping, Dual-Spectrum CHIRP, Down Imaging, MEGA Imaging, MEGA Live Imaging, Bluetooth, Networking, and Wi-Fi

Memory Card Slot: Dual Micro SD

Compatible With: AIS, AutoPilot, Minn Kota US2 Sonar, Minn Kota Built-In MEGA DI, MEGA Live, One-Boat Network, Minn Kota i-Pilot Link, Minn Kota Talon/Raptor, NMEA 2000, and Radar

Power Draw: 800 mA

Power Input: 10.8 - 20 VDC

Power Output Peak-to-Peak: 4000 W

Power Output RMS: 500 W

Screen Snap Shot: Included

Sonar Recording: Included

Mount Standard: Gimbal

Mount Standard Size: 10.54 x 5.80 x 3.68 in.

Mount Optional Size: 10.54 x 5.44 x 1.13 in.

Transducer Mount: Transom

GPS Chartplotting: Included

GPS Trackplotting: Included

LakeMaster Compatibility: Yes

Coast Master Compatibility: Yes

Navionics Compatibility: Yes

Navionics Platinum+ Compatibility: Yes

Platinum Compatibility: Yes

Heading Sensor GPS: Yes

Upgradable Software: Yes

View Preset Keys: Yes

X-Press Menu System: Yes

Custom Digital Readout: Yes

Custom View Selections: No

Display Colors Grayscale: 16-Bit

Display Size: 5 - 7 in.

Speed: Included

Temperature: Built In

Temperature Alarm: Yes

Temperature Graph: Yes

Transducer Included: XNT 9 HW MDI 75 T

HDMI Compatible: No

MEGA Live: Yes

UPC: 0082324056239

Included in Package:

•Control head

•Transom-mount transducer

•Power cable

•Gimbal mounting bracket and mounting hardware

Manufacturer's one-year limited warranty