This Fish Finder Detector is especially designed for amateur and professional fishermen alike ,to find out the location of fish ,depth and bottom contour of water .This Fish Finder Detector can be used in ocean ,river or lake and is fantastic for detecting schools of fish in any fresh water or salt water .This App is based on Sonar technology, The Finder application transducer sends a sound wave signal ,the returned “echoes” are transmitted with technology to the smart phone or other intelligent device ,then all the underwater information is displayed on the screen ,including the water depth , fish location and depth.
This Fish Finder Detector is free, you can use it comfortably , enjoy to install it without Internet .