Featuring a brilliant 9-in, HD color 1,500-nit screen with a 16:9 wide-screen format and SwitchFire Sonar, Humminbird's Helix 9 SI Sonar/GPS Combo allows you to easily view every return – both large and small – in Max Mode so you can get the job done. Widescreen format promotes full use of your 480-ft.-wide Side Imaging returns, and can be run in split-screen mode to show LakeMaster Mapping, SwitchFire Sonar and Down Imaging all at once. Preloaded with AutoChart Live, Side Imaging (to 240 ft.) and Down Imaging (to 350 ft.), it transforms unknown waters into detailed maps in seconds, and brings waypoints, contours and underwater structures to light so you can easily return to productive fishing areas later on. 500 watts RMS with 4,000-watt peak-to-peak power. Internal Precision GPS stores up to 2,500 waypoints and 47 independent routes. Depth-reading capability to 1,500-ft. Dual card slots accommodate Navionics, Humminbird LakeMaster and LakeMaster PLUS Maps/Navionics Gold, Platinum +. Compatible with Humminbird's RADAR, Auto Pilot and 360 Imaging/i-Pilot Link by Minn Kota.