The Wind Storm Safety Whistle provides you with a backup safety device. With this whistle, one of the loudest whistles in existence, you can signal for help and know that the noise made is perfectly audible through loud seas. Blowing this in a false alarm won't make you any friends, but using the dive whistle in an emergency could save your life.

Features:

• Works underwater and at the water's surface

• Loud alarm that draws attention

• Made from high impact thermoplastic

• Dual chamber for uninterrupted sound

• Stainless steel split ring