Outdoor Emergency Floating Signal Mirror Portable Suvival Bushcraft Edc Reflective With Aiming Function OPP packaging_51 * 38 4mm

Description

Especially for field long-range communication, send reflective signal. With a aiming function, accurate signal transmission, fast. When the weather is clear, the optical signal transmission distance can reach more than 100 km. Cloudy or night when there is light, can also be used as normal. Usually do mirror use.