KS011 Stainless Steel Single Tube Outdoor Survivor Training High Frequency Whistle

1. Single tube burst sound design, high frequency penetration, up to 120 dB, wide range of coverage
2. One-piece molding, no ball design, with water / dust can also blow loud
3. Stainless steel material, waterproof and corrosion-resistant, beautiful and textured
4. Top with hole design, can wear a lanyard / keychain, lightweight and portable
5. Exquisite rounded corners, comfortable to the touch
6. Applicable scenes: outdoor distress, warning, training, etc.
7. Material: stainless steel
8. Size: about 4.8x 0.8cm
9. Weight: about 3.07g