Product Video Humminbird 1158c Combo 1158c Combo 1100 Series External GPS Combo The 1158c Combo features a huge 10.4" display, Dual - Beam PLUS sonar with up to 8000 Watts PTP power output, GPS Chartplotting with built-in Contour - XD maps, and advanced Fishing System capabilities. Includes unit cover and in-dash mounting kit. Maximize your angling experience with the Humminbird 1158c Combo fishfinder system. Display 10.4" diagonal 600V x 800H 4:3 Color TFT Cartography Navionics Compatible Lake - Master Compatible Memory Waypoints: 3,000 Routes: 50 Tracks: 50 w/20,000 points each Sonar Dual - Beam PLUS 200 k - Hz / 20 @ -10db 83 k - Hz / 60 @ -10db Depth: 1500 ft. (3000 ft with optional 200/50 k - Hz transducer for deepwater use) Power Output 1000 Watts* (RMS) 8000 Watts* (Peak-to-Peak) GPS Features 50 Channel GPS Trackplotting Chartplotting GPS Speed Humminbird Contour - XD System Network Ethernet Networking (optional) Satellite Weather (optional) Cannon Cannonlink(optional) Weather - Beam Plus External Built-In Map Networking ADVANCED SONAR FEATURES Freeze Frame with the ability to Mark Structure on Sonar Instant Image Update Selective Fish ID+ Real Time Sonar RTS Window Selective Fish ID Sonar Echo Enhancement Sonar Recording Screen Snapshot Split Screen Zoom True - Arch Technology Wide Narrow Cone Split Screen USER-FRIENDLY TECHNOLOGY Custom Digital Readout Selection Custom View Selections Large Digits View Selectable Background Colors Selectable Display Colors Temperature Alarm Temperature Graph Triplog View Preset Keys X-Press Menu System Display Size: 10.4" diagonal Display Pixel Matrix: 600V x 800H Display Type: 4:3 Color TFT Display Colors/Grayscale: 65,000 Colors Dual - Beam PLUS Sonar Coverage 200 k - Hz / 20 @ -10db 83 k - Hz / 60 @ -10db Sonar Optional: Quadra