The Humminbird 798ci HD SI combo an internal side imaging/GPS combo. Features side imaging, down imaging, and DualBeam PLUS sonar with 4000 watts PTP power output. This fish finding combo has GPS chartplotting with built-in ContourXD map, and advanced fishing system capabilities. With programmable preset buttons to save your favorite views and dual card slots for maps and saving waypoints. This 798ci HD SI combo is waterproof and weather capable and includes 1 year warranty.

Features:

• Product Dimensions: 7.5″H x 6.9″W x 4.5″D/li>
• Side Imaging/ Down Imaging/li>
• 180 degree total coverage/li>
• 455kHz / (2) 86 degrees @ -10db/li>
• 800kHz / (2) 55 degrees @ -10db/li>
• Depth: 100ft (SI/DI), 1500 ft/li>
• 50 Channel GPS/li>
• Humminbird ContourXD/li>
• Dual SD Card Slots /Upgradeable Software