A lifebuoy light is a safety device mounted on lifebuoys or life rings to enhance visibility and aid in locating individuals in distress at sea or in dark conditions. Typically powered by batteries, these lights are activated automatically upon contact with water or manually by a switch. They emit a bright, flashing light in colors like white or yellow, making them visible from a distance and assisting rescuers in quickly locating and retrieving individuals in emergencies. Lifebuoy lights are essential components of maritime safety equipment, ensuring that those in peril are easily spotted and assisted, particularly during nighttime or low-visibility situations.