The WW-3 ResQ whistle with Lanyard is loud with a dual tone which is audible from great distances. It's unique flat design prevents holding water.

Features:

• Required by SOLAS 83
• Meets USCG/SOLAS requirements
• Aids in land or sea rescues
• Developed for the U.S Navy; used by NASA, major airlines and shipping companies
• Complete with 18" (45.5 cm) of lanyard
• Color: Green