The Rescue Howler™ Whistle emits a piercing dual-frequency 110dB signal thanks to a dual-chamber, fail-safe, pea-less design. Made from unbreakable ABS plastic for a lifetime of trouble-free use.
110dB signal is audible over 1 mile.
Made from unbreakable ABS plastic.
Pea-less design works in all conditions - won't freeze or stick to lips when cold.
Triple-frequency sound cuts through surrounding noise.