One touch. That's all it takes to get easy-access to all the advanced features of the PiranhaMAX - Fish ID+, fish alarms, depth alarms, zoom and more. Contrast-enhanced, Clear Edge Grayscale, 4" diagonal display. 240V x 160H FSTN LCD. 8 level grayscale. TriBeam 200kHz / 20° - 455kHz / (2) 35° transducer. 90° total coverage. 800' depth capability. Water temp included. Tilt and swivel mount.