[Product Information]

[Sun-Visible 2.8" Dot Matrix LCD Display] - Enable you to clearly view the monitor under strong sunshine, including Water Depth, Temperature, Fish Location & Size (Big-Moderate-Small), Bottom Contour, Depth Range/Scale, Battery Remaining of the mainframe. And the white LED backlight setup allow you to use it at night or under weak light.
[Wireless and Portable] - Just simply tether your fishing thread via 2 small holes on the side of sensor then cast it into the water. The sensor will switch on automatically when two pins terminals at the bottom touch water, then send results back to the receiving mainframe. 2.4GHZ operational Radio Frequency guarantees wireless sonar operational distance at max. 260FT/80M.
[Audible Alarm] - Get you rid off staring at the buoy and let you free of care to enjoy the fun of fishing. Erchang Wireless Fish Finder apply to shore, sea, boat, ice, muddy water etc. Practical and user-friendly.
[10-Degree Sensitivity] - More flexible for you select based on fishing environment. If you want to get more chances to detect the fish, you choose the higher sensitivity. When the water is shallow or exist noise(made by ship's motor etc.), you should select low sensitivity and get more accurate detection.
[Waterproof Sensor] - The sensor is waterproof, no need to worry about it being destroyed by water. But the receiving host is for daily water-resistance only, please do not submerge it.