Wireless connectivity Experience hassle fishing with our wireless sonar fish finder. It transmits detailed underwater data up to 30 meters away to your mobile device, eliminating tangled wires and bulky screens while you fish. Detection range and coverage Locate fish and monitor water conditions with accuracy from depths of 0.6 to 36 meters (2.5 to 120 feet). The 90degree sonar radiation angle provides broad, comprehensive coverage of the underwater environment. Comprehensive underwater data Access valuable fishing insights such as water temperature, a fish depth scale, and sea floor conditions. Use this information to decide where and how to cast, helping you improve your catch rate. Longlasting power Rely on a 10hour battery life for allday fishing trips across lakes, rivers, and coastal waters. Designed for extended sessions and varied water bodies. Practical use scenarios Boat or shore fishing on lakes or rivers: Use realtime wireless data to identify fishholding structures and depths before casting. Freshwater or coastal exploration: Assess bottom conditions and water temperature to tailor your approach on unfamiliar waters. Extended trips: Plan your day across different water bodies with a dependable 10hour battery to maintain continuous visibility of underwater conditions.