Lowrance 000-11821-001 Elite-4 Ice Machine Fishfinder/Chartplotter with US Basemap and 83/200KHz Chirp Ice Transducer High-resolution 4.3-inch LED-backlit color display CHIRP Sonar plus DownScan Imaging DownScan Overlay technology Advanced Signal Processing 83/200 KHz CHIRP Ice fishing transducer included