China: A lifebuoy running: ”H3 water relief flying wing”
Guangdong / Shenzhen, China: Center for Physical Education and Marine Exercise
Introducing the lifebuoy that runs, “H3 water rescue flying wing”.
Throw it into the water and operate it with the controller.
It reaches to the destination. Carries drowned people to the land.
“H3 water rescue flying wing”: Development specifications
Power is a lithium ion battery.
Proceed by rotating the screw.
The reason that Liu Mashua developed was the death of a friend who was a rescue crew.
He has worked as an engineer at TDK in Japan.
By the way, about 50,000 people are killed per year in China.