Echo Sounder Fish Finder Wireless Sonar Portable Professional  120meter Abron Fishing Probe Detector AG-3170b 

• This wireless sonar fish finder adopts the latest advanced sonar detection technology to display live update of the water bottom contour and scan a large area in just a few minutes. It can be used in ocean, rivers, lakes, ponds, reservoirs, etc.

• Wide and clear dot matrix LCD display. Depth readout ranges from 2.0~147.6ft and display bottom changing contour. High / low sensitivity setting, audible alarm of fish and water depth. 120m wireless operating range. Wireless sensor with 90 degree beam angle.
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• Water temperature and battery indicator. The battery of wireless sonar is replaceable. Can be used as a depth sounder. 125KHz sonar frequency. Adjustable sonar sensitivity setting. With simulation mode.
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• Sensor automatically switches off when not in water. 100% waterproof floating sensor. 3 languages for choice: English, German, Russian.
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• Detects both fish location and depth in both fresh and salt water. Fish icon and live-
• update water bottom contour (grass, sand and rock) in the sea. With alarm and adjustable chart speed, sensitivity level setting, depth range setting.