Humminbird 4086201 PiranhaMAX 165 Single Beam Fishfinder Depth: 600 feet Mounting: Tilt Mount Sonar: Single Beam 4 inch 8 level grayscale display Temperature 4" Fest Display With 8-level Grayscale 240 X 160 Pixels 100w Rms Power 800w Ptp Power 200khz/28 -10db Single -beam Sonar Coverage