Built Pelican tough Unconditional Lifetime Guarantee of Excellence Submersible Super bright LED beam Recoil LED Technology: As bright as a Xenon light with the battery life of an LED Same features as the StealthLite 2400 Flashlight but with the Recoil LED module that produces a true, bright collimated LED beam. The 2410 is corrosion proof, resistant to extreme temperatures, and submersible. It is powered by 4 AA alkaline cells (included). For hands-free operation, attach it to your hard hat with our optional helmet light holder.