The Siren Police Whistle is a vintage brass safety alarm that is still in working condition. It comes with a long 24" chain and a product made in the United States. This whistle, with its historical significance as a police tool, is a collectible item that showcases the craftsmanship and design of bygone eras. Perfect for collectors of police memorabilia or vintage items, this whistle is a unique piece of American history. Chain is appropriately 24" folded. 48" long of it was measured full length. Has some wear and did not try to polish it.  See pictures.