HDI TRANSDUCER: Perfect for anglers who want the best views below the boat, the 83/200/455/800kHz HDI transducer provides improved sonar performance in deep water - now the fish have nowhere to hide ACTIVE IMAGING 3-IN-1 READY: See structure and cover with a new level of refined detail with support for Active Imaging 3-in-1 sonar, featuring CHIRP, SideScan and DownScan with FishReveal. Active Imaging HD requires S3100 module ACTIVETARGET 2 & 2 XL LIVE SONAR READY: lets you see fish movements and reactions to your lure in real time for smarter fishing FULL NETWORKING: Build the complete Elite Fishing System with integrated wireless, NMEA 2000 and Ethernet connectivity – add Halo Dome Radar, Outboard Pilot or share sonar, charting, waypoints, and other user data between displays C-MAP CONTOUR+: From finding key fishing areas, like ledges, drop-offs and ditches to navigating with precision to fish-holding areas, you will have more success on the water with high-resolution 1-foot contours on 8,900 U.S. lakes