Wireless Portable Fish Finder Built with ABS material and designed for portability to accompany you on fishing trips. Its compact, lightweight construction supports easy handling and quick setup. Reliable performance comes from a frequency sonar system paired with an LCD screen, delivering clear readings and easy interpretation on the go. 40M Sonar, Depth Alarm Depth range from 6m to 40m provides coverage for common freshwater and nearshore environments, with accurate depth readings and basic water condition information. Depth alarm notifies you when the detected depth matches your target range, helping you focus on productive spots without constant monitoring. Fish Capture Reduces the time spent watching the float, enabling quicker identification of fish activity and faster opportunities to reel in catches. Enhances fishing efficiency by presenting actionable depth and presence information rather than passive waiting. Multifunctional Fishing Helper Offers essential data such as fish depth scale and water temperature, along with additional readings to support informed decision making during fishing. Serves as a practical, allinone tool to guide lure choice, spot selection, and fishing strategy. Use scenarios Shore or pier fishing: use the depth readings and fish presence indicators to select productive casting spots along the bank or breaklines. Boat or kayak trips: scan different depths up to 40m to locate fish holding zones, while monitoring water temperature to determine likely species and tactics. Quick spothopping during a trip: rely on the depth alarm to identify opportunities across multiple locations without constant rechecking, saving time between stops.