OSOLADY Daylight Signal Mirror Reflective Emergency Mirror for Outdoor Survival Light Grey

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