The Pelican 2130 Mini Flasher is a corrosion proof, high visibility marker light that can be easily attached to almost anything. The LED emitter will last a lifetime and can be seen from a very long distance. Often used by cyclists, joggers, and hikers, these lights will help you locate children, pets and key locations easily and quickly in the dark. The 2130 is submersible to 100 meters for four hours, operates for over 100 hours on one set of batteries, and has a twist on-off switch. Limited lifetime warranty.