The Hummingbird Fish Finder 570 DI is a device that focuses only on finding fish. Although it doesn’t have any GPS capabilities, its Down Imaging is a reliable feature that will enable you to clearly distinguish between fish and other objects that pass under your boat.
It has a medium size screen, 5-inch wide with 640V x 320H pixel resolution, monochromatic – FSTN LCD.
Its sonar capabilities include DualBeam Plus/SwitchFire and Down Imaging. The Down Imaging is reliable for up to 250ft