Key features and benefits Wired portable fish finder that detects and displays water depth, approximate fish location, and bottom details such as short and tall weeds and sand and gravel. This helps you identify fish holding zones and choose where to fish with confidence. Versatile for a range of conditions: offshore fishing, lake fishing, sea fishing, and ice fishing. The unit is designed to perform in both freshwater and saltwater scenarios. Float sensor with five sensitivity modes: battery mode, sensitivity mode, backlight mode, fish alarm mode, and battery indication mode. These modes let you tailor the device performance to your environment and lighting conditions for clearer readings. There are some fixed options to enhance the user experience: such as chart speed settings. These adjustments enhance readability and responsiveness of the portable fish finder. Specific use scenarios Offshore or sea fishing: use depth and bottom readings to locate deepwater fish structures and avoid weed beds, improving targeting and time on productive water. Ice fishing: identify depth contours and motionless or active fish zones under the ice, helping you choose where to drill and fish most effectively. Lake fishing: navigate weed beds and varied bottom types to find spots for freshwater species, adjusting sensitivity and alerts to match water clarity and depth. Product applicability and performance highlights Function: provides depth, fish location approximation, and bottom composition details for informed fishing decisions. Compatibility and versatility: suitable for offshore, lake, sea, and ice fishing conditions with a portable, wired design. Size and portability: described as a compact, portable fish finder for easy carry and use in different outings. Performance options: multiple sensitivity modes and some fixed display and chart settings to maximize readability and responsiveness in varying environments. Bottom and weed awareness: detects weed presence and bottom materials (sand and gravel) to help you adjust tackle and presentation accordingly.