Move into performance fishfinding with the Fishfinder 515. It¿s packed with a high visibility, high resolution 240V x 160H LCD and 12 level clear edge inverse grayscale for crisp, clear images of the bottom, structure, and fish and includes temperature. Accelerated Real time sonar captures the action at up to 40 times per second for better images. Plus, our exclusive tilt & swivel quick disconnect mount system make it easy to get on the water and the x-press menus keeps it simple so you more spend time fishing, not punching buttons! And because it¿s built by Humminbird, the fishfinder 515 is backed by over 30 years of quality fishfinding technology.