The Photon Freedom Micro is the easiest to use, most powerful, full-featured LED micro-light available! Its single-button operation makes the light easy to use for anyone. The ultraviolet light is completely water resistant and includes batteries, lanyard, key ring, and battery replacement guide. The Photon Freedom Micro flashlight features simple, intuitive single-button operation to provide quick, easy access to the features you use most, with additional mode settings available only when you need them.