Humminbird 408470-1 581i Di Combo Fishfinder
Humminbird's 581i DI Fishfinder/GPS Combo is a black and white down imaging fishfinder with GPS ultra-high resolution display with strong peak to peak power performance. Features: Dualbeam plus sonar delivers wide coverage and better bottom definition. Ability to freeze frame allows user to mark exact structure location. Real Time Sonar window (RTS). Selective fish IDSplit screen zoom. Quick disconnect mounting system.