The HY1672 is a new advanced underwater multi-beam imaging sonar launched by Haiying, capable of long-distance detection of 120 meters within a 120° sector. It can accurately deliver high-quality images even in turbid or dark waters.The HY1672 Underwater imaging sonar is compact and can be integrated with ROV/AUV and USV to safely and efficiently realize underwater pipeline detection, underwater search, infrastructure inspection and other applications.