This is OceanAlpha’s Dolphin 1 Smart Lifebuoy, a life-saving device with propellers and a smart remote-control system. This unmanned surface rescue vehicle is integrated with a single beam/multi-beam echo sounder, camera, and obstacle avoidance system, etc. Its two powerful propellers can drive the lifebuoy to a maximum speed of 10kn/s.
Additionally, each propeller is encased in a metal shell to protect the victim from injury and to also avoid having the propellers getting entangled with water plants. The Dolphin 1 provides a buoyancy that is equal to two regular buoys, thus enabling it to carry two people at a time.
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The Dolphin 1’s battery is stored in a separate cabin so it can keep functioning, even if the hull is damaged. The super-fast and accurate unmanned surface rescue vehicle is equipped with two high penetration flashing fog lights, which makes the lifesaving buoy extremely visible even from long distances, in treacherous waters, and in bad weather.