Erchang Sonar

This is a dual frequency intelligent fish finder app that uses sonar to detect water depth and fish schools, and helps you determine the underwater contour, composition, and structure. It can display fish finder related information such as underwater curves, large and small fish schools, aquatic plants, and water temperature. Ability to set various parameters such as detection sensitivity, display background, refresh rate, etc. The interface is friendly and easy to operate, making it a great helper for fishing enthusiasts.