![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/8/82/Ring_buoy_with_light.jpg/640px-Ring_buoy_with_light.jpg&w=640&q=50)
Lifebuoy
Buoy designed to be thrown to person in water, to prevent drowning / From Wikipedia, the free encyclopedia
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For other uses, see Lifebuoy (disambiguation).
A lifebuoy is a life-saving buoy designed to be thrown to a person in water to provide buoyancy and prevent drowning.[1] Some modern lifebuoys are fitted with one or more seawater-activated lights to aid rescue at night.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/8/82/Ring_buoy_with_light.jpg/640px-Ring_buoy_with_light.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Lifebelt_in_Water_1.jpg/640px-Lifebelt_in_Water_1.jpg)