Name: 3 to 1 Survival whistle (whistle, thermometer, compass)
1. refers to the North (South) needle (high accuracy, clear at a glance).
2. thermometer (faster and more accurate for the first time to master the current temperature)
3. sides with a thermometer and the other side with a compass.
4., nylon lanyard (more convenient to carry, rope length of about 40cm, hanging on the neck).
5. whistles resounding
The weight of goods is about 20g.
Commodity length: 63mm
Commodity width: around 30mm
100% Brand New and High Quality
Mini size, light weight whistle.
Excellent for camping,
Hiking and outdoor activities.