Wireless Portable Fish Finder Built with durable ABS material and designed for easy portability on fishing trips. Provides reliable performance through a frequency sonar system and an LCD screen for clear readings. 40M Sonar and Depth Alarm Depth range from 6m to 40m delivers accurate information about water depth and conditions. Includes a depth alarm to alert you when fish are within your target range. Efficient Fish Capture Reduces the time spent watching the float by helping you locate fish quickly, making your fishing more efficient and enjoyable. Multifunctional Fishing Helper Versatile tool that provides essential data such as fish depth scale and water temperature, supporting informed decisions when fishing. Use scenarios Boat fishing: use the sonar to locate depth zones with active fish, monitor water temperature to select bait and setup. Shore or jetty fishing: identify favorable depths and structure from the bank or pier, then cast toward promising areas. Kayak or small craft: take advantage of its portable design and quick readings to move between productive spots with ease.