Mil-Spec Glass Signal Mirror

🪞 Military-specification retroreflective glass signal mirror with precision aiming hole. Visible by search aircraft up to 10 miles in direct sun — no batteries, no electronics, zero failure modes. Retroreflective backing makes aiming simple: center the bright flash spot on your target through the sighting hole. 2x3 inch format fits any kit pocket. Polished glass surface (not plastic) maintains reflectivity indefinitely. The only signaling device guaranteed to work after 10 years in storage. A mirror costs 20% of what an emergency beacon costs and works in 90% of SAR scenarios.