This 3 in 1 multi-function emergency whistle comes with 3 function whistle, thermometer, compass. It is made of Durable Plastic whistle and nylon neck lanyard. On one side there is a compass, and the other is Celsius thermometer. this product is 100% Brand New with high quality.

Specifications:
Material: Plastic
Temperature range: -20-50 degrees Celsius
Whistle Size: 50 x 33mm/1.96 x 1.29 inch
Neck Lanyard length: approx. 40cm / approx. 15.74 inch
Whistle color: Olive green

Package Included:
1*pc Emergency Survival Gear Whistle