Luckysmart Sonar APP is an APP for wifi fish finder, and it is also a simple and convenient operation APP. Mainly used for outdoor fishing, but also for outdoor wading, outdoor swimming and other scenes that require underwater conditions. Provide users with intuitive underwater information intelligence, which can display the depth of the water area, the temperature of the water area, whether there are plants and rocks underwater, the depth position of the fish layers, and the contour of the water bottom.