The WW-3 Res-Q Whistle Emergency Device, designed to detect overboard persons, emits a harsh dual tone of up to 100 decibels that may be heard over long distances. The 31.5 inch (80 cm) lanyard attaches to life jackets, rafts, and foul weather gear, and the distinctive, flat design stops it from holding water.
Loud, shrill, dual tone audible from great distance
Unique flat design prevents holding water
Meets USCG requirements
Aids in land or sea rescues
Use on life jackets, vests, foul weather gear, ring buoys, rafts, keychains, etc.