The ICE 597ci HD Combo features an industry best, brilliant, color 640V x 640H 5 display with LED backlight. Dual Beam PLUS SONAR with 4000 Watts PtP power output, 50 Channel internal GPS Chartplotting with built-in UniMap cartography, a card slot for maps and saving waypoints and a Tilt Swivel Quick Disconnect Mounting System. Maximize your ice fishing experience with the Humminbird ICE597ci HD fishfinder GPS system.