Features: Double frequency, strong sound penetrations, suitable for transmitting distress signals over long distances.
Adopting a curved high-frequencies structure and equipped with anti loss clip.
Light weight and durability, easy to carry.
Outdoor adventurers, hiking enthusiasts, campers, and other outdoor activity participants.
Suitable for outdoor survival, emergencies, communication, and safety assurances in outdoor activity.

Specifications: Sizes:5.6×1.5cm/2.2×0.59in
Component:aluminium alloys

Package Includes: 10pcs Emergencies whistled

note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order.
2.Due to the differences between different monitors, the picture may not reflect the actual color.