Built Pelican tough Unconditional Lifetime Guarantee of Excellence Glow-in-the-dark shroud Submersible Super bright Xenon beam Same features as the StealthLite 2400 Flashlight but outfitted with a lens ring that emits a bright glow in the dark. The new generation photoluminescent material in the plastic absorbs the energy from any light source - fluorescent lights, the sun, or even the flashlight's own beam. No more fumbling in the dark for your flashlight. It is submersible and powered by 4 AA alkaline cells (included).