Although it's medium size fish finding device, the Hummingbird Fish Finder 597ci HD DI Combo offers a wide range of possibilities, and for the price, it's quite a reliable fish finding unit. The Humminbird Fish Finder 597ci HD DI Combo has a full color display, 5-inch wide with a square 640 x 640 pixel resolution, with LED backlight which offers a clear visibility even on a … [Read more...] about Hummingbird Fish Finder 597ci HD DI Combo Review