Size: 50 x 33mm
Use: Pointing Guide
With Noctilucent Display or Not: No
Shockproof or Not: No
Dial Display: Pointer
Carrying Mode: Hanging Ring Type
Outdoor Activity: Mountain-climbing
Waterproof / Water-Resistant: Yes
Case 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

Features:
100% brand new with high quality
3 in 1 multi-function emergency whistle
3 function: whistle, thermometer, compass
Durable plastic whistle and nylon neck lanyard
On one side there is a compass, and the other is Celsius thermometer
 
Package Included:
1*pc Emergency Survival Gear Whistle