Eagle FishMark 320 5-Inch Waterproof Fishfinder Fishfinder w/An 5 in Diagonal Screen with 320x320 Resolution Depth Capability to 800 ft / 244m with 1500 Watts of Peak to Peak Power HyperScroll Feature Locates and Displays Fish Targets at Higher Boat Speeds FishReveal Feature Exposes Fish Targets Hidden in Surface Clutter, Weed Beds, Etc Patented GRAYLINE Separates Fish from Nearby Structure and Bottom