Trust your fishing experience with the easy to use, Humminbird 678c HD DI fish finder. Packed with features, this waterproof unit has 4000 watts of peak to peak power and a depth range of 350 foot. Both dual beam and switchfire sonar will provide you great images on a 5 inch, split screen display.

Specifications and Features:
Display size: 5 inch diagonal
Resolution: 640 x 480
Display type: 256 color TFT
Target separation: 2.5 inch
Power output (RMS): 500 watts
PTP power: 4000 watts
Down Imaging Sonar Coverage:
455 kHz / 75° at 10db
800 kHz / 45° at 10db
Dual Beam PLUS Sonar Coverage
200 kHz / 28° at 10db
455 kHz / 16° at 10db
Temperature sensor
Waterproof
Transducer mounting: in hull or transom
Power draw: 615 mA
Switchfire Sonar
Split Screen Zoom
Split Screen Bottom Lock
Wide Narrow Cone Split Screen
Instant Image Update
Freeze Frame
Selective Fish ID+
Real Time Sonar RTS Window
Sonar Echo Enhancement
TrueArch Technology
Unit Size: 6.9 inch width x 5.4 inch height x 1.25 inch D