It is a portable fish finder that could display approximate fish location and water depth
The water depth detection range is between about 2ft(0.6m) and 328ft(100m) when the transducer is completely immersed in the water
It has a 45-degree beam angle and can be normally used at the temperature range from -18 Degrees Celsius to 50 Degrees Celsius
The display is also visible in sunshine or darkness by turning on the backlight
It applies to the lake, river, sea, and other fishing environments
Suitable for trolling from a kayak or boat, casting from the shore, or using for ice fishing
Note: Power by 4*AAA alkaline batteries (not included)