Survival Res-Q Whistle
The ACR survival whistle gets the attention you need, when you need it. Use on life jackets, vest, foul weather gear, ring buoys, rafts, keychains, etc.
Loud, shrill, dual tone audible from great distance
Unique flat design prevents holding water
Required by SOLAS 83
Meets USCG/SOLAS requirements
Developed for the U.S. Navy; used by NASA, major airlines and shipping companies
Complete with 18" (45.5 cm) of lanyard