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.
Size: approx. 57 X 57 X 7 mm/2.24 X 2.24 X 0.28"
Weight: approx. 35 g
1 X Survival Mirror