10 in 1 (Thermometer, Hygrometer, LED light, Reflector, Spirit level, Compass, Whistle, Flint, Magnifier, Ruler) Multi-Function Portable Compass

• Product type: Hiking Meter
• Compatibility: Multi-Function Portable Compass
• Material: ABS
• Key feature: Multiple tools included
• Color/Variant: Army green, orange
• Intended use: Outdoor use
• Category: Outdoor & Sports

1) Thermometer: Measure of ambient temperature. 2) Hygrometer: Measure for ambient relative humidity 3) LED light: Lighting(Replaceable battery--step to battery a)take out the magnifier and ruler.b)loosen three screws.c)change battery 4) Reflector: Call for help in countryside, reflect sunlight to send out the light signal. 5) Spirit level: Determine level condition 6) Compass: Measure for magnetic azimuth(relative functions of compass: acquire data at horizontal and vertical level) 7) Whistle: Call for help in countryside, send out the sound signal.(use tappet to push out the whistle from the third hole on the left side) 8) Flint: Wilderness Survival by making fire.(use tappet to push out the flint from the second hole on the left side) 9) Magnifier: Find a coordinate on a map 10) Ruler: Measure a distance