10 cm combi survival whistle camouflage

Make every whistle usable length of 10 cm and a diameter of 2.7 cm. Whistle consists of three parts to be separated by a simple turn. It consists of a very whistles that contains inside the mirror, magnifying the center portion, the end portion includes a small storage space, LED light, compass and thermometer. Light has a total afterglow up to 10m visibility.
It includes a nylon strap for example. hanging around his neck.

Use:
Multi-purpose use.

Material:
hardened plastic

Advantages:
thermometer, compass, use LED light.