You don't even have to blow the HP-388 electronic pocket/key chain whistle...just push a button. Emits a loud 120db whistle for as long as you push the button.
Suitable for: Police, Lifeguards, Teachers, Referees, Umpires, Tour Guides, Sport Trainers, Traffic Guides, Dog Handlers and many more.
Features:- 4 inches long
- Metal construction
- Uses 4 LR44 batteries (included)
- Compact Housing
- Traditional Whistle Sound
- Handy and Hygienic Whistle
- Easy to Operate by Hand
- Super High Decibels
- Use as a Safety Alarm in Crime Prevention
