• Description

With whistle and led and thermometer multi-function compass

Description

1. The thermometer to measure temperature.
2. Moisture meter to measure relative humidity of the environment.
3. The LED lighting (replaceable battery, take a magnifying glass ruler, turned three

grain of screw, can replace the battery)
4. Mirror field for help reflect sunlight and signal light.
5. Lens measurement level degree
6. The compass magnetic azimuth measurement.(this compass is looking down, smooth

inspect, reading)
7. A whistle for help, wild noise signal.(using the push rod from the push holes launch

whistle)
8. Flint field for help, make.(using the push rod from the push hole with flint and flint

blade)
9. A magnifying glass on a map to find coordinates.

10.The ruler to measure distance