Silbato de supervivencia de aleación de aluminio de doble tubo: señal de emergencia potente de 120 dB para acampada al aire libre, senderismo y kits de supervivencia.

When Every Decibel Counts​​ Engineered for ​​life-or-death situations​​, this ​​dual-tube aluminum whistle​​ delivers ​​ear-piercing 120dB blasts​​—​​3x louder​​ than standard plastic whistles. Trusted by ​​outdoor guides & disaster responders​​. ​​Why Choose This Survival Whistle?​​ ✔ ​​Dual-Chamber Sound Amplification​​ – ​​Projects 1.5KM+​​ in open terrain ✔ ​​Aerospace-Grade Aluminum​​ – ​​No cracking/rusting​​ like cheap steel whistles ✔ ​​Finger Grip Design​​ – ​​Secure hold​​ with gloves or numb hands ✔ ​​Floats in Water​​ – ​​Retrieve easily​​ if dropped in rivers/lakes ✔ ​​No Moving Parts​​ – ​​Never jams​​ in mud or freezing temps ​​Who Needs This Whistle?​​ ​​Backpackers​​ – ​​Ultralight backup​​ when phones fail ​​Coastal Boaters​​ – ​​Fog-proof sound​​ over crashing waves ​​School Safety Kits​​ – ​​Teacher-approved emergency tool​​ ​​Dog Hikers​​ – ​​Train pets to return​​ to the whistle’s pitch ​​Tested for Extremes:​​ ✓ ​​-30°C Arctic Cold​​ – ​​No brittleness​​ ✓ ​​Saltwater Immersion​​ – ​​Zero corrosion after 72hrs​​ ✓ ​​100+ Decibel Consistency​​ – ​​Lab-verified audio output​