A favorite among law enforcement personnel, preppers, and everyday carry enthusiasts, the Surefire® G2X Tactical Flashlight is a lightweight tactical flashlight, engineered to deliver exceptional reliability in tactical and duty applications. Powered by two 123A batteries (included), this flashlight delivers an impressive 600-lumen output of bright white light on High and an efficient 15-lumen output on the Low setting for lasting performance and versatile lighting options to match your specific needs. This flashlight features a durable aircraft-grade aluminum body with a corrosion-resistant anodized finish for lasting field performance, while aggressive texturing offers a positive, non-slip grip with wet or gloved hands. The high-performance LED emitter and precision reflector work in tandem to deliver a smooth, concentrated beam out to 187 meters for reliable target identification in virtually any environment. User-friendly tail cap push-button controls offer quick operation for intuitive target acquisition and reliable light discipline. Better yet, this flashlight features an impact-resistant, optics-coated polycarbonate lens for scratch-free field performance in virtually any environment. Up to 52 hours of battery life (low output mode) and operates on two 123A lithium batteries. IPX7 waterproof.