LANYUER C9L Long Distance Communication Outdoor Survival Mirror Practical Emergency Kit Reflective Survival Signal Mirror with Whistle ● Portable and very easily to carry to anywhere ● Necessary Survival kit for long distance communication ● For Survival fans, do not forgot to carry this emergency survival mirror kits Features: When the weather is fine, the optical signal transmission distance can reach more than 100 kilometers; Available even when in a cloudy night. Usually used as a mirror. […]

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