Wireless Portable Fish Finder A portable, wireless fish finder designed for easy transport on fishing trips. Its compact design lets you bring it along without cumbersome cables. 40M Sonar and Depth Alarm Powered by a reliable sonar system that can detect fish up to 40 meters deep. Includes a depth alarm to notify you when fish are at your target depth, helping you cast more accurately. LCD Screen for Performance An LCD display provides clear information at a glance, including depth, fish depth scale, water temperature, and additional data to support your fishing decisions. Multifunctional Fishing Helper This smart device helps you identify fish presence quickly, reducing the need to watch the float constantly. It serves as a practical, multifunctional tool to enhance your overall fishing experience. Use scenarios Lake or river shore fishing: Set the depth alarm to target depths where fish are commonly found and use the water temperature reading to interpret conditions before casting. On a boat or kayak: Move while the sonar scans bottom structure and fish activity, allowing you to find promising spots without tying up lines or reels to the float. Quick decision fishing sessions: Monitor depth and fish activity in real time to decide where and when to cast, improving efficiency during short trips or busy days.