Humminbird Piranhamax 4 DIMeet the Humminbird PiranhaMAX 4 DI, a compact fish finder that brings Down Imaging clarity to smaller boats and kayaks. It delivers a straightforward, dependable sonar experience when you need precise underwater detail without screen clutter. Display: 4. 3" color TFT with 480 x 272 pixel matrix, 256 colors, backlit for easy viewing in sun or shade Imaging: Down Imaging and Dual Beam sonar for true underwater detail and real time target visualization