4 Pack Dual-Tube Stainless Steel High Decibel Emergency Survival Whistle Keychains

This set includes 4 tactical dual-tube rescue whistles in four stylish finishes: matte dark gray, gold, silver, and colorful rainbow titanium coating. Each whistle matches a coordinating metal chain and textured split key ring for attachment to keys, backpacks and disaster emergency kits.

Constructed from thickened solid stainless steel, the explosion-proof integrated dual air chamber design generates ultra-loud dual-frequency high-pitched sound with exceptional transmission power. Its unique dual-tone signal easily penetrates wind, thick vegetation and earthquake rubble, ideal for outdoor hiking, camping, wilderness exploration and earthquake disaster SOS rescue alerts.

The hollow-out tactical angular structure cuts excess weight while boosting structural strength. Reinforced locking screw assembly prevents internal parts from loosening or jamming, delivering stable consistent sound output even in damp, muddy, harsh field and disaster environments. The polished smooth blowing mouth avoids lip chafing during prolonged continuous use.

Multi-color anodized surface resists rust, scratches and fading, catering to different personal matching preferences. Compact vertical mini size is lightweight and pocket-friendly, bringing zero extra carrying burden for daily carry and outdoor travel.

Heavy-duty tactical EDC lifesaving gear for outdoor adventurers, disaster preparedness storage and daily self-rescue supplies.

What's in the box
4 x Whistles