HDS PRO 12 Inch Fish Finder with Active Imaging HD 3-in-1 Transducer is the key to the ultimate fishing system and includes New High-definition 1.2MHz Active Imaging™ HD (Lowrance CHIRP/SideScan/DownScan Imaging™) transducer, it also supports New! High-resolution ActiveTarget® 2 Live Sonar and can combined two ActiveTarget Systems for multiple views simultaneously. HDS PRO also Supports FishReveal™ with new SideScan view, as well as Downscan*, (S3100 Moduale Required) and is Preloaded C-MAP® DISCOVER OnBoard charts with 1-foot contours on 19,000+ US Lakes, 9,400+ Canadian Lakes (AMER ONLY) or worldwide basemap. HDS® PRO offers bow-to-stern boat control covering Trolling Motors, Power-Poles, autopilots, engines, radar, and more via NMEA 2000®, Wireless and Bluetooth® connectivity, whilst also introducing new ActiveTarget® Scout and Ghost® Ghost 360 chart overlay views.