• Wireless and Portable, receiving host:328ft(100m), depth range:2- 120ft/0.6-36m
• It is suitable for fishing enthusiasts and fishermen to fish in rivers, lakes, seas and other places. It is convenient for you to judge the depth of water, the number and depth of fish or fish school
• The ultrasonic transducer is used to transmit the signal, which is transmitted by air or water, and the feedback signal is sent back when the ultrasonic touches the object in the water. Then the signal is processed by the internal processor and displayed on the screen.
• 4XAAA batteries are needed when you use the wireless fish finder.