The XSC-B is designed and engineered to mount onto a wide variety of modern pistols. Its beam pattern features a bright central spot for positive target identification and generous peripheral light to help maintain situational awareness. It exerts minimal effect on weapon handling. The XSCs quick-detach, rechargeable lithium polymer battery can be swapped fast without removing the Weapon Light from the host pistol. A LED Fuel Gauge on the side of the B12 battery keeps the user informed of battery status. Users can keep spare B12 batteries charged and ready in the CH21 cradle charger. Includes charger, MICRO-USB cable and five different accessory rail members allow to mounting onto a wide variety of pistols. The XSC-B fits handguns such as: Smith and Wesson M&P Sub-Compact, Springfield Armory XD Sub-Compact, Heckler & Koch VP9SK and Walther PPQ Sub-Compact.