The ICE 597ci HD Combo features an industry-best, brilliant, color 640V x 640H 5" display with LED backlight for use any time, day or night. DualBeam PLUS Sonar with 4000 Watts PtP power output gives you two beams. The first beam focuses on what is at the bottom of the water showing you the structure and weed cover. The second beam focuses on a wider coverage area to show you what fish are in the area. Switchfire Sonar helps locate the fish and their depth. Use the Freeze Frame feature to mark structures on the sonar. 50-Channel internal GPS Chartplotting with built-in UniMap cartography. Card slot for maps and saving waypoints. Tilt & Swivel Quick Disconnect Mounting System allows the flasher to be viewed at any angle you need. Maximize your ice fishing experience with the Humminbird ICE597ci HD fishfinder GPS system.