HEIMDALL Emergency Whistle with Lanyard for Safety Boating Red, Yellow
120 DECIBLE, two sound chambers design, high pitched noise maker, audible over 1 mile, easier to be heard, work great as signal whistle.
Whistle with Lanyard for Safety Boating Camping Hiking Hunting Survival Rescu…
Safety & Survival whistle. 120 DECIBLE, sound chambers design, high pitched noise maker, audible over 1 mile, easier to be heard, work great as signal whistle. Great basic whistles to have as part of a go-bag or kit, for camping, boating, hiking.