Internal GPS Combo - Side Imaging The 999ci HD SI Combo features a super bright LED backlit LCD 8" display. This wide screen 480V x 800H, 16:9 Color provides bright, crystal-clear images for easy viewing in harsh sunlight. The HD Side Imaging/Down Imaging sonar with DualBeam PLUS and SwitchFire has 8000 watts PTP power output, GPS Chartplotting with built-in Humminbird ContourXD map and Advanced Fishing System capabilities. Includes a unit cover, dual card reader and Instant Access Preset Buttons.