Surefire X300 UltraX300 Ultra now delivers a stunning 1,000 lumens of LED generated output focused by a precision TIR lens, creating a far reaching high intensity beam with a larger center spot that offers the power to positively identify threats at significant distances while temporarily impairing an adversary's vision. Its high strength aerospace aluminum body is Mil Spec Hard Anodized for superior toughness and is O ring and gasket sealed to make it weatherproof.