1. Handheld Fish Finder for Fishing The handheld fish finder portable provides the core functions needed for locating fishing areas and detecting schools of fish. With the wired sonar sensor, it delivers accurate information on water depth, approximate fish location, bottom features such as sand and rocks, and the presence and height of aquatic vegetation (short or tall weeds) displayed on the handheld unit. 2. Water Depth Finder and Portable Fishing Finder This device helps you know the depth of the fishing area and serves as a reliable depth finder. You can learn water depth and fish depth during initial use. Its compact handheld size allows easy holding and carrying. The strap included in the package lets you hang it around your neck, freeing your hands to focus on the bite. 3. Wired Fishing Sonar Transducer The sonar transducer detects targets from 3 ft to 328 ft below the transducer. For convenience, you can adjust the display to feet or meters on the portable depth finder. Before you fish, you can know the depth of the bottom and the fish location. The water sonar transducer comes with a 25 ft cable and a removable float. 4. Wide Applications Water Depth Finder The adjustable sensitivity can detect small fish and filter out unimportant information. Five sensitivity options cover different environments. The portable fishing sonar can be used in a variety of settings, including bank fishing, ice fishing, lakes, sea shore fishing, and fishing from boats or on a kayak. The wired transducer can also be easily attached to the hull of a boat or kayak.