Outdoor Survival Lifesaving Whistle With Free Shipping!
Dimensions: Length 3.7cmX wide 1.2cm, clip width 2cm, 2cm wide backpack clip for the strap!
Color: Orange dark green khaki black
Design is in place for a survival whistle
After testing, the performance is very outstanding strongly recommend!
1, the dual-band design. Left and right sides of the cavity sounding different size, while generating high-frequency sound, to ensure that the different environments, under conditions with excellent penetration.
2, anti-off whistle mouth design. Hand can not, do not worry mouth latch onto airflow whistle blowing out.
3. aloud effortlessly. To survive, we must pay attention to when you help save energy, good survival whistle must be able to speak easily.
4. one design, rugged and reliable.