With a stunning 56,000 candela focused by a precision-made smooth parabolic reflector, the X300T-B generates a far-reaching high-intensity beam with a focused center spot that is highly effective for long-range engagements. You can count on the X300T-B to help you positively identify threats at significant distances while temporarily impairing an aggressors vision. It also provides extensive peripheral illumination to help you maintain situational awareness. Activating the X300T-B is done via ambidextrous switching located at the rear of body, providing one-finger control press the switch on either side for momentary-on activation, flip up or down for constant-on activation. Optional DG grip switches (for pistols) and a pressure activated XT07 tape switch (for long guns) permit the X300 Ultra to be activated without altering your grip on your weapon. The rugged X300T-B Ultra with its T-slot thumbscrew clamp attaches securely to the Universal and Picatinny rails found on most handguns. 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. The X300T-B sets new boundaries in handgun WeaponLight performance while delivering the same quality and reliability that makes SureFire a trusted name by professionals worldwide.