Humminbird 598ci HD SI Combo Personal Black GPS tracker

598ci HD SI Combo, 12.7 cm (5 ") 640 x 640 TFT, 500W, 10 - 20VDC The 598ci HD SI Combo features a Best-in-Class brilliant 640V x 640H, 256 color display with LED backlight. Side Imaging® and Down Imaging® sonar with 4000 watts PTP power output, Precision Internal GPS Chartplotting with built-in UniMap™ cartography with a card slot for optional maps and saving waypoints along with a Tilt & Swivel Quick Disconnect mounting system. The design also allows for drop-in replacement capability for competitive in-dash models.