The Lowrance® Elite 3x DSI Fishfinder is what every serious angler needs to locate fish. Made with DownScan Imaging™, this finder can track bottom up to 55 mph. You can easily adjust the viewing angle and the pages button allows you to switch between 455 khx and 800 khx sonar frequency. THe Elite 3x DSI is a must have to find the fish you want and easily catch them.