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Compass: Measure for magnetic azimuth (Relative functions of compass: acquire data at horizontal and vertical level)
Thermometer: Measure for ambient temperature
Hygrometer: Measure for ambient relative humidity
LED light: Lighting
Reflector: Call for help in country-side, reflect sunlight to sent out the light signal
Spirit level: Determine level condition
Whistle: Call for help in country-side, sent out the sound signal.(use tappet to push out the whistle from the third hole at the left side)Flint:
Wilderness survival by make fire.
Magnifier: Find a coordinate in a map.
1 x 10 in 1 – Multi function Outdoor Survival Tool