High volume Storm safety whistles emit the loudest alarm sound with minimum effort, even when breathing maybe difficult for someone who is exhausted and out of breath.
Patented water purging design works in heavy rain and also can be heard in excess of 50 feet when used underwater.
You can hear Storm personal safety whistles loud and clear camping, hiking, biking, fishing, boating, diving, bush walking, jogging, sporting events, officiating, refereeing or as an effective personal safety alert warning alarm deterrent.
All Weather Personal Safety Storm Whistle Dimensions: 7.5 cm long x 4.5 cm high x 2.2 cm wide approx.
Do not blow close to the ear as this whistle is extremely loud and should also not be used by children to avoid possible permanent damage to the ear.