Loudness: The whistles are life jacket accessories designed to produce a sharp, penetrating sound that can carry over the noise of splashing water and crowd chatter. This ensures that the whistle can be heard from a distance, allowing the rescuer can find the person who need rescue.
Distinct Tone: The whistles often have a unique and easily recognizable tone. This helps people distinguish the lifeguard's whistle from other sounds, ensuring that they respond appropriately to its signals.
Durability: Since lifeguard whistles are exposed to water and outdoor elements, they are typically made from durable materials that can withstand the environment. Common materials include plastic, meta.