Model BW1 is a remote shooting and remote-controlled underwater drone which can provide 4K high-definition camera shooting at the depth of maximum 100 meters, with 7-hour battery endurance at the speed of 2 m/s. Being an portable, unmanned underwater drone featured by streamlined shape and high-performing hydrodynamics, it is widely used in fields including underwater photography, entertainment, fishing, exploitation and survey, marine search and rescue, marine environmental protection and so on.