"Material: plastic, partially galvanized
Product features: carabiner, compass, thermometer
Product features: collection of multi-function carabiner, wilderness survival high precision compass, thermometer equipment in one, powerful and complete, outdoor camping, hiking, camping and other activities necessary equipment.
【Precautions】
1. Use in a horizontal state to ensure accuracy as much as possible;
2. In order to avoid the disorder of the magnetic needle, please keep a certain distance from the wire mesh and the object containing magnetism when using it;
3. It is not possible to hit the object with the ruler to avoid affecting the measurement accuracy;
4. Keep the disk surface and lens clean, do not use dirty cloth or hand to rub;
5. It should be closed when not in use, and should not be placed close to ferromagnetic materials to avoid loss of magnetic properties. "
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