The Humminbird 858C Combo Color Sonar and GPS makes it simple to navigate and find fish via sonar in one simple device. This combo color sonar and GPS features a brilliantly colored screen that is backlit for optimum performance in all conditions and light levels.

Features:

Switchfire sonar
Screen snap shot to memory card
Sonar recording
Split screen zoom
Split screen bottom lock
Wide narrow cone split screen
Instant image update
Freeze frame with the ability to mark structure on sonar
Selective fish ID+
Real Time Sonar RTS window
Sonar Echo enhancement
TrueArch technology
3D chart view
Large digits view
Custom view selections
Custom digital readout selection
Selectable display colors
Selectable background colors
View preset keys
Temperature graph
Temperature alarm
Triplog
x Press menu system
Specifications:

Display Size: 7 inch Diagonal
Display Type: 16: 9 Color TFT
Display Pixel Matrix : 480V x 800H
Display Colors/Grayscale: 65,000 Colors
Dual Beam Plus Sonar Coverage: 200 kHz 20 degree/83 kHz 60 degree
Sonar Optional: Quadra Beam Plus
Target Separations: 2.5 inch
Power Output (RMS): 500 watts
Power Output Peak to Peak: 4000 watts
Temperature: Included
Speed: GPS Speed Included
Backlight: Yes
Waterproof: Yes
Mount: Gimbal
Units Size: 11 inch width x 6 inch height x 4
Transducer mounting: Inside Hull or Transom
Power input: 10 20VDC
Power draw: Lights off 780mA