Loudest Emergency Whistle
News 2024-03-17: My newest whistle design, a Long Range Dog Whistle at 7,000 Hz . Please download here . News 2024-01-21: I designed an ultrasonic dog whistle with an even higher pitch of 23 kHz , which you can download here . Update…
Print approx. €0.36–€0.45 excl. taxPreliminary estimate for one variant
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