Features: 1. Ultrasonic fish finder, can be used for offshore fishing, ice fishing, lake fishing, sea fishing, river fishing, etc. 2. Small in size, light in weight, and portable, it can also be used on mobile kayaks at speeds less than 5 miles per hour. 3. With 5 modes of sensitivity selectable, will automatically alarm when fish is detected, which is highly practical. 4. The fishing sonar sensor has a 25‑foot cable and a movable sensor float that can detect fish. 5. With battery saving mode, the battery can work continuously for 4‑5 hours when full charged. 6. Detection range is within 45 degrees underwater, and detection depth range is between 3ft (1m) and 328ft (100m) below fishery sonar sensor. Specification: Condition: 100% Brand New Item Type: Fish Finder Material: ABS Battery Attributes: 4 x AAA Battery 1300mAh (Battery Not Included) Weight: Approx. 557g / 19.6oz Depth Range: 100m / 328ft Minimum Depth Range: 0.6m / 2.0ft Package List: 1 x Fish Finder (Battery Not Included) 1 x Fish Detecting Tool 2 x Accessory 1 x Manual Features Versatile Ultrasonic Fish Finder: This portable handheld fish detector can be used for offshore fishing, ice fishing, lake fishing, sea fishing, and river fishing, offering versatility for various fishing environments. Compact and Portable Design: Small and lightweight, this fish finder is easily portable and ideal for use on mobile kayaks at speeds under 5 miles per hour, providing convenience and flexibility for fishing enthusiasts. Adjustable Sensitivity Modes: Equipped with 5 selectable sensitivity modes, this fish detector automatically alerts when fish is detected, delivering practical and customizable fishing experience. Long Range Detection: The 25-foot cable and movable sensor float enable fish detection within a 45-degree angle underwater, with a detection depth range of 3ft to 328ft, enhancing the efficiency of fish location. Extended Battery Life: Featuring a battery saving mode, the fully charged battery can continuously operate for 4-5 hours, ensuring prolonged usage during fishing trips.