The Whistle and Mirror Kit provides boaters with both an audible and visual emergency signal, ensuring that rescuers will be able to locate you when you need it. This kit features a 2” x 3” signal mirror with secure lanyard and viewfinder. In addition, the whistle included in the Orion® Whistle and Mirror Kit is made of plastic, ensuring that it is durable and will not freeze in cold weather. FEATURES: Audible and visual emergency signals 2” x 3” signal mirror with lanyard and view finder Durable plastic whistle that will not freeze in cold weather