Thermometer:measure for ammbient temperature.(-20-60℃) Hygrometer:measure for ambient relative humidity. LED light :lingting (replaceable battery -step to battery)(1)take out the magnifler and ruler (2)loosen three screws (3)change battery Reflector:call for help in the country -side ,reflect sunlight to sent out the light singnal Spirt Level:determine level condition Compass:measure for magnetic azimuth(relative function of compass acquire data at horizonatal and vertical level. Whistle:call for help in country-side,sent out the sound signal,(use tappet to push out whistle form the third hole at the left side) Willderness .survivaal by make fire (use tappet to push out flint form the second hole at the side) Maginfier:find a coordinate on a map. Ruler:measure distant. Specifications: Material: Plastic Size: About 2.75 x 1.5 x 1 inches / 7 x 4 x 2.5 cm Package Include: 1 x Multi-function Compass 1 x multi-function compass instruction manual
Trustpilot
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