LUCKY Portable Fish Finder with Dual Sonar Frequency for Ice Fishing Kayak Fishing

About this item
Display:2.8 inch LCD
Depth Capability: 328feet(100m)
Sonar Coverage: 60 degrees beam angle in 83Khz/ 20 degrees beam angle in 200Khz
please note ? Don’t test the fish finder in swimming pool,bathtub, bucket, fish tank, sink etc.
Water depth,water temperature, fish location, bottom contour can be constantly obtained from the water