Humminbird 409380-1 398ci Side Imaging Combo Chartplotter/Fishfinder 320 x 240 3.5-Inch 256 color TFT display GPS-Sonar combo Side Imaging and Down Imaging sonar Temperature GPS Speed Color Display With Led Backlight Side Imaging and Down Imaging Sonar With 4000w Ptp Power Output Precision Internal GPS Chartplotting With Built-in Unimap(tm) Cartography With A Card Slot For Optional Maps and Saving Waypoints Tilt and Swivel Quick Disconnect Mounting System Allows For Drop-in Replacement Capability For Competitive In-dash Models