Precise whistle chamber calibration assures pure frequency performance; lest effort, crisper sound. 4 sound-producing resonators built into 2 chambers.
Flawless patented pealess whistle emits sound power that exceeds 120 dB.
Extremely easy to blow; cannot be overblown. Superior clear loud blast can be heard over long distances and ambient noises.
A must for emergency protection, onsite disaster management, search and rescure. Recommended for anywhere without a ceiling! Works wet or dry!

Technical Details

Width : 3 inch
Length : 6.62 inch

Product Details

Product Dimensions
Width : 3 inch
Length : 6.62 inch

Package Dimensions
Width : 3.31 inch
Height : 1.1 inch
Length : 6.61 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.64 ounce (View shipping rates and policies)

ASIN : B01BY4WFBW