The SharkSAS-HF II, highly efficient imaging side-scan  sonar, boasts a large scanning range, high imaging accuracy and constant resolution. It streams a continuous  high-definition imagery of underwater suspended objects and sunken targets in real time. The new generation of products utilizes a brand-new technical system. Under the premise of maintaining excellent imaging accuracy and scanning width, the working speed has been doubled to 5 to 6 km²/h of the mapping efficiency.