Powerful motor 360 degree centrifugal vibration
Working principle: power induction lock
7 color backlight
Universal removable slide clamp design
Can be set to kilometers KM/H and miles MPH
KS007A Titanium Alloy Whistle Dual Tube High Frequency Motion Survival Whistle(Stonewash) VEGGIEG Powerful motor 360 degree centrifugal1. Double 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. Titanium alloy material, waterproof and corrosion resistant, beautiful and textured 4. Top small hole design, can wear lanyard keychain, lightweight and portable 5. Exquisite rounded corners, comfortable to the touch 6. Applicable scenes: outdoor distress, warning, training,