A deadly duo packed into one punch of a Transducer. This Skimmer Transducer is compatible with Broadband Sounder Sonar of HDS and comes with a removable Mounting Neck. Maximize your fishing with this transducer and let it help find the fish for you. Transducer Frequency: 83/200 kHz and 455/800 kHz Broadband Sounder and DownScan Imaging Capability Marks Fish Arches and Tracks Lure Action Provides Picture Like Detail of Structure and Bottom Overlays DownScan Imaging onto Broadband Sounder Display Separates and Clearly Exposes Fish Targets from Surrounding Structure Fully Adjustable Overlay Transparency and Color Palettes Scrolls Back Sonar History to Review Covered Areas and Pinpoint Spots Saves Time and Fuel ASPA(R) (Advanced Signal Processing) Reduces Manual Adjustments Includes Stainless Steel Ratchet System For Lowrance Models: Elite-7 HDS Gen2 Touch