Toyvian Daylight Signal Mirror Outdoor Emergency Retroreflector for Survival Accurate Long Distance

Emergency mirror:it is suitable for long-distance communication in the field and sending signals for survival,Outdoor Retroreflector
Reflective mirror:when the weather is clear, the optical signal transmission distance can than 100 kilometers,Outdoor Retroreflector
Signal mirror:with aiming function, signal transmission is accurate and fast,Outdoor Retroreflector
Outdoor accessories:suitable for outdoor activities and emergency uses, camping, , skiing,Outdoor Retroreflector
Survival mirror:there is a manual on back side which show you how to use this mirror,Outdoor Retroreflector