Lifebuoy

Lifebuoy with emergency light on a cruise ship
A lifebuoy floating on water

A lifebuoy or life ring, among many other names (see § Other names), 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.

  1. ^ "The Kisbee Ring". Retrieved 2020-10-13.