WOONEKY 3pcs Outdoor Retroreflector Mirror Emergency Communication Tool Signal Mirror 100km Range Manual Instructions Camping Hunting Essential

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