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

* 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