Thanks to its simplistic menus and powerful SplitShot transducer, the Lowrance HOOK2-7 SplitShot Fishfinder/GPS Combo makes it easy to size up your fishing area. The unit's 2-in-1 sonar system adjusts automatically as your craft moves, and it provides generous coverage with the help of DownScan Imaging™. Plus, there's a built-in, high-detail US map with 1-foot contours of more than 3,000 lakes. This fishfinder is compatible with C-MAP®, Navionics® and various other mapping technologies.