Multifunctional Survival Emergency Rescue Reflective Signal Mirror Hiking Outdoor Tool with Whistle

1. When the weather is fine, the optical signal transmission distance can reach more than 100 kilometers;
2. Available even when in a cloudy night.
3. Usually used as a mirror.
4. Great for outdoor long distance communication, sending reflective survival signal.
5. Enable you to aim the target, fast and precise signal delivery.
6. Material: Acrylic