Explorer

From Wiki China org cn

Explorer is China's first wireless, underwater robot. The robot can dive as deep as 1,000 meters and move in a diameter of 12 sea miles. In addition to searching for targets, it can record data and sonar images in designated areas, taking photos and video of shipwreck and transmitting the data and images to the surface monitor. It can also elude obstacles automatically and be retrieved under the fourth level sea condition.