❀ 2‑148ft Depth Fish Finder With 100m Wireless Sonar Sensor Fish Detect For Lake

Sonar Frequency: 125KHZ. Sonar Beam Angle: 90 Degrees. Item Type: Fish Finder. Uses echoes sound to detect fish, fit for sea fishing, river fishing, lake fishing and ice fishing, etc. You can adjust the sensitivity settings, then the device can detect and distinguish the small fish and big fish.

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