1. **Advanced Sonar Fishing Technology**: The Fish detector utilizes innovative sonar fishing identifying technology that seamlessly connects with smartphones and tablets, providing real-time detection data. This feature allows you to effectively map water beds, mark prime fishing spots, and log essential information such as water temperatures and depths. 2. **User-Friendly Features**: Equipped with a fish alarm and noise filter, the Fish detector offers 90-degree sensitivity for optimal user customization. With a sonar frequency of 125KHz, it can detect depths up to an impressive 164ft / 50m. The device is powered by a rechargeable 3.7V lithium-ion battery, providing a usage time of 5-10 hours. 3. **Compact and Lightweight Design**: Weighing only 0.074kg and measuring just 1.97 inches in diameter, the Fish detector is designed for convenience. Its compact size makes it compatible with all standard rods and lines, making it an choice for anglers on the go. 4. **Versatile Fishing Applications**: Whether you're kayaking, canoeing, or ice fishing, the Fish detector is for both saltwater and freshwater environments. It excels at locating fish and underwater structures in various bodies of water, including ponds, lakes, streams, and rivers. 5. **Comprehensive Detection Parameters**: The Fish detector features a depth range of 2 - 200ft / 0.6 - 60m and a sonar radiation angle of 90 degrees (wireless) and 45 degrees (wired). With a Bluetooth distance of 50m and operational temperature range of -10 to 60 degrees, this device ensures reliable performance in diverse conditions.