Portable Wireless Fish Finder,Castable Kayak Fish Depth Finder,Handheld Smart Sonar Fishing Gear for Kayak Fishing

About this item
Show water depth, fish location,bottom grass&rock and user adjust the sensitivity, depth units(m/ft), fish alarm setting
Applied for various fishing type spots, such as river, lake, sea etc,please note that Don’t test the fishfinder in swimming pool,bathtub, bucket, fish tank, sink etc.
Wireless sensor/transducer : 90 degrees beam angle in 125Khz?and the depth ability: 3ft(0.9m)-130ft(40m)
Wireless sensor can shut down when off the water and the wireless operating range is 400ft(120m)
Monitor power requirement: 4XAAA alkaline battery (not included) and the wireless sensor include one replaceable CR2032 Cell Battery