Specification:

Product name:High Decibel Outdoor double tube survival whistle.

Material: pure titanium

Size:  A Overall Length: 40mm，Width: 16mm

         B Overall Length: 58mm，Width: 10mm

Package Included:

Double tube survival whistle *1

Features:

1. Whistle sound is crisp and loud. Up to 150-180db,Spread further

2. Transmission distance is far for calling for help, recruiting companions and outdoor activities.

3. It can be hung on tents, equipment, water bottles, backpacks, key rings and other accessories.

4. Wearable, practical and convenient.

5. High frequency double tube survival whistle.

6. Survival supplies in harsh environments, to ensure that you can use less effort to emit the volume of a high-frequency whistle in an emergency.