A sleek, compact light that boasts 475 lumens of big-light performance, so it s equally well-suited to either backup or primary use. Dual Fuel flexibility lets you power up with either the included rechargeable battery or optional CR123A primary cells. Make no mistake?it might be pocket-sized, but the distinctive Tungsten packs a punch, blazing 475 lumens for more than a football field in distance. The Double Tap option drops the light down to a low 15 lumen setting with just a quick, second press of the tail switch. Dual Fuel technology means you'll never be without a power source?it runs with either a rechargeable 18650 battery (included) or 2 CR123A primary (single use) cells (sold separately). The included battery charges inside the flashlight, using the supplied cord and adapters, or any micro USB phone/electronics charging cord?no separate battery charger needed. The Tungsten is machined from 6061 T6 aerospace aluminum, type III hardcoat anodized in a proprietary matte black finish. Premium components include Cree XPG LED, gold-plated connectors, polished aluminum reflector and optical glass lens. In keeping with our emphasis on intuitive design and simplicity in our law enforcement tools and training, activation of the Tungsten is via a single pressure switch on the tail cap. A 3-position twist selector allows choice of intermittent, constant-on, or locked. Includes high-performance ASP 18650 rechargeable battery, battery storage case, retractable charging cord, wall adaptor, car adaptor, adjustable/removable pocket clip, and zippered ballistic