The powerful and versatile Surefire X300U-A Ultra Weaponlight features a high-performance LED that generates 1000 lumens of stunning white light focused by a Total Internal Reflection (TIR) lens to produce a tight beam with extended reach and significant surround light for peripheral vision. The virtually indestructible and highly efficient LED generates tactical-level light-more than enough to overwhelm an aggressor's dark-adapted vision-for 1.5 hours per set of batteries. The high-strength aerospace aluminum body is Mil-Spec hard anodized for superior toughness and is O-ring and gasket sealed to make it submersible to 22 meters. This is also versatile and can be at Mfg: Surefire