A high-pitched whistle that saves lives Compass High precision thermometer (-20-50) Survival reflective signal mirror (use of sunlight reflection principle for search and rescue personnel to explain their current position) Fire magnifying glass (no fire in the field situation, can use the principle of the sun, magnifying the concentrated refraction of sunlight to produce fire/Bacillus leaf) High White LED Lantern Sealing space (can be placed in life: be inside before travel with name, address, telephone, blood type) Whistles Nylon cord (length 100cm) Powered by 2 CR 2016 batteries
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