Orion Whistle and Mirror Kit
Here's what other sites are saying:
Help attract rescuers by sight and sound with the Orion Whistle and Mirror kit. High-decibel whistle emits a loud, shrill sound; whistle is designed for outdoor use as there are no metal parts that will rust or freeze in damp, cold weather. Unbreakable mirror features a view finder to help you aim the sun's reflection at rescuers; includes a lanyard.