About this item: - **Compact & Durable**: Each signal mirror measures 3 x 2 x 0.22 inches, made of sturdy acrylic that resists wear and breakage. Lightweight and easy to store in any backpack or pocket. - **4-in-1 Survival Tool**: Combines a signal mirror, emergency whistle, compass, and load-bearing rope. The mirror features a precise aiming system for long-distance signaling, ideal for outdoor emergencies. - **Precision Compass**: Mini compass with a black chassis and vibrant green indicator for clear, easy-to-read direction finding. Perfect for navigation during hikes, camping, or backpacking. - **Long-Range Signaling**: Effective up to several kilometers on sunny days; works on cloudy days or at night with a light source. The included lanyard allows you to attach it to your backpack or key ring for quick access. - **Versatile Use**: Suitable for hiking, camping, climbing, fishing, hunting, running, skating, and other outdoor activities. An essential addition to any survival kit or emergency preparedness gear. - **Complete Set**: Comes with 2 signal mirrors, 2 mini compasses, and 2 whistles – enough for you and a companion. Be prepared for any situation with this reliable signaling tool.