SeaKing hammer head sonar is a double frequency, high resolution, a 360 - degree scan mechanical scanning sonar, can be applied to all kinds of complicated observation tasks, under water project (bridge or terminal), mat laid, sea dumping and various static underwater deployment tasks, such as regional observation, target positioning, divers monitoring, etc. The SeaKing hammer sonar can be used alone or deployed with a set-top box and tripod to become a complete observation component. Extremely high resolution and excellent imaging results.