Wide Detection Range
The deepest detection range of the portable depth finder is 328 feet (100 m). This means you can use the portable depth finder not only at dock, lake where water depth is shallow, but also can use it on sea fishing.
Sonar Sensor: 45 degree beam angle in 200 Khz.
Sensitivity of the portable depth finder is adjustable. Even water is turbid, it also can work well. (Tips: please select a low sensitivity when water is turbid.)