Surefire X300T-A Turbo Weapon Light generates a tightly focused, 66,000-candela beam pattern. Features intuitive switching allows instant activation without altering grip; turbo beam pattern, 1.50 hours run time on high; aerospace aluminum body is Mil-Spec hard anodized for scratch and corrosion resistance and sealed to make it weatherproof and IPX waterproof to 1 meter for 30 minutes.