The Bayco Products TAC560XL is a compact and rechargeable multi-functional tactical flashlight that features Xtreme Lumens technology. Encased in a durable, glass-filled nylon polymer housing, the flashlight employs a Cree LED rated at an impressive 800 lumens. In addition, a high-efficiency deep parabolic reflector channels the light to create a potent beam that can reach up to 205 meters.Control of the flashlight is easy thanks to the tail-cap switch which allows for both momentary and constant-on modes. Users can also customize the brightness level by choosing between high, medium, or low settings. For added functionality, a disorienting strobe feature is engineered into the design.Power supply for the TAC560XL is versatile, with the primary source being a rechargeable Lithium-ion battery. As a backup, the flashlight can also be powered by a pair of CR-123 batteries(batteries not included). This option is made possible by the inclusion of a CR-123 Battery Carrier with the product.