KS007A Titanium Alloy Whistle Dual Tube High Frequency Motion Survival Whistle(Stonewash)

1. Double tube burst sound design, high frequency penetration, up to 120 dB, wide range of coverage2. One-piece molding, no ball design, with water / dust can also blow loud3. Titanium alloy material, waterproof and corrosion-resistant, beautiful and textured4. Top small hole design, can wear lanyard / keychain, lightweight and portable5. Exquisite rounded corners, comfortable to the touch6. Applicable scenes: outdoor distress, warning, training, etc.7. Material: titanium alloy8. Size: about 4x 2 x 0.8cm9. Weight: about 20.3g