Adventure Medical Kits Rescue Howler Whistle
This product is currently sold out.
The Rescue Howler weighs only a few grams but it packs a big punch. Namely, a 110dB signal that is audible from over a mile away. The pea-less design means this whistle works in all conditions and will never jam or freeze. Heavy duty ABS plastic won't break on you. Ultra-portable design weighs only a few grams and fits in any pocket, or attach it to a zipper pull.