Electronic Whistle This small penlike device makes a big whistle sound (120dB) to help you summon help, SOS emergencies, outdoor safety or for sports or other activities where you need to get others attention. Hygienic, just press the button.
Includes 4 button batteries (LR44) and lanyard. Has pocket clip.
Used by police, lifeguards, teachers, referees, umpires, tour guides, sports trainers, traffic guides, dog handlers, etc. Save your breath, you may need it later.
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