The Hummingbird Fish Finder 570 DI Portable, is quite a flexible, proficient and afforadble unit for what it can do. Although it doesn’t feature any GPS or chartplotting options, it’s a great device for finding fish, measuring depth, speed and water temperature.
Equipped with a 12 level grayscale display, 5? diagonal, 640V x 320H pixel resolution, this unit will provide you with an excellent view of what?s underneath the boat. Even if it?s black and white, the images