Product Features:
1, high-decibel survival whistle (whistle loud)
2, refers to the North (South) pin (highly accurate, clear at a glance)
3, thermometers (faster and more accurately the first time to grasp the current temperature)
4, nylon lanyard (carry more convenient, rope about 40cm (can be hung around the neck)
Weight Approx: 20g
Length of about: 63mm
Width of about: 30mm
Packing :1X 3 in 1 whistle