             
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. Great for outdoor long distance communication, sending reflective survival signal. Enable you to aim the target, fast and precise signal delivery. Specification: Size: approx. 57 X 57 X 7 mm/2.24 X 2.24 X 0.28" Material: Acrylic Weight: approx. 35 g  1 X Survival Mirror
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