Specifications:
Size: 2.33×1.03 inches
Weight: 41 g
Color: silver / gun
Advantages:
1.loud sound, up to 150db，louder than a common whistle
2.ball free, high frequency
3.durable material, anti-grinding
4.can be used in bad weather, still works when water in
1 Years Warranty
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High decibels: up to 150 decibels, sound travels far
Innovative Design: design ideas originated from strategic bombers, beautiful line, strong 3D sense, cool
Aerospace aluminum alloy material, fall-proof, rolling-proof, durable, wear-resistant
Ball-free design, can be used in harsh environments, still works when water getting in
For sports events, personal safety, camping, hiking, policing, etc.
