POPETPOP Pcs Signal Mirror for Outdoor Activities Transmission Range Reflective for Emergency Camping Skiing

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