581i B&W Fishfinder With Gps

Ultra-high Resolution Display With Strong Peak-to-peak Power Performance
· Dualbeam Plus™ Sonar Delivers Wide Coverage & Better Bottom Definition
· Ability To Freeze Frame Allows User To Mark Exact Structure Location
· Real Time Sonar Window (rts)
· Selective Fish Id
· Split Screen Zoom
· Displays Water Temperature & GPS Speed
· Sonar Echo Enhancement
· Quick Disconnect Mounting System