Fishing Gifts Portable Wireless Castable Fish Finder Bobber Portable and easy to use on boats and canoes: designed for effortless operation with a wireless, castable form that suits small watercraft. Easy to use and read: user friendly interface and a readable screen protect you from guesswork, helping you locate fish with minimal effort. Wide detecting range: capable of detecting fish and underwater structure from 0.6 meters up to 73 meters, adapting to a variety of fishing environments. Advanced sonar technology: wireless sonar frequency of 125Khz with a 90degree coverage provides reliable performance for both beginners and experienced anglers. Practical, focused features: compact, portable solution that delivers actionable fishfinding data without complicated setup. Use scenario: on a boat or canoe, cast the bobber and monitor depth and fish presence as you move along structures or dropoffs. Use scenario: from shore or pier, cast toward suspected fish zones and use the display to identify promising spots. Use scenario: in lakes with weed lines or submerged structures, use the sonar data to understand bottom contours and locate active fish.