This man overboard compact lifebuoy comet light and smoke lifebuoy marker produces dense orange smoke for 15 minutes and features 2 self-contained, inversion switched, LED lights. It is used to indicate that the members of the crew or the passengers are in danger and in need of immediate rescue. This ensures that all other crewmen have been alerted to the situation and notifies the officers of the need to act immediately to save the victim. Falling overboard is one of the most dangerous and life-threatening things that can happen at sea.