Visible over 20 miles. Durable LEXAN polycarbonate mirror with mil-spec retro-reflective aiming aid for one-handed use. 3" tall x 2" wide.Target planes, helicopters, and distant search and rescue teams with the Rescue Flash™ Signal Mirror. The 3M® reflective aiming aid enables you to signal targets from miles away, and the lightweight Lexan construction will not break if dropped. Old Packaging same instruction on back but different color. Was packaged under Adventure Medical Kit, now S.O.L., still the same parent company.
Abner Fitzwillie notes, "Great little signalling device, small, easy to carry and has good reflection. A must have in any survival kit. Practice beforehand so you know how to aim it. I carry one on my survival necklace and in a survival kit."