The SureFire 6PX Tactical is a single output, military grade flashlight with a compact and lightweight construction. It takes much of its design from the SureFire 6P, one of the first high-intensity flashlights from over 3 decades ago. The 6PX Tactical utilizes a parabolic reflector that produces a powerful 600 lumen bean, flawlessly enhanced by the parabolic reflector to provide an illumination distance of up to 187 meters. The body is constructed out of Mil-Spec hard anodized aluminum, giving the 6PX Tactical shock, scratch and corrosion resistance. Features of the SureFire 6PX Tactical Flashlight 600 lumen output 1.5 hour runtime 8700 candela peak beam intensity 187 meter illumination distance Specifications: Aluminum body 2 123A batteries (included) Weight: 5.2 ounces Length: 5.2 inches IPX7 waterproofing SureFire 6PX Tactical 600 LU LED Black Flashlight 6PX-C-BK