Small enough for the pocket with lighting power big enough to reach 600 meters (1968') downrangeThree light modes—medium, high, low—peak at 635 lumens and are controlled with the tail switch, which also doubles as a battery life indicatorTransition between X-Range™ Spot Beam and Broad View™ Flood Beam using the Slide Focus® system, or simply twist the bezel to engage the Beam Lock®Anti-roll bezel prevents your light from moving when placed on uneven surfacesFrom full power, the TX11R runs up to 38 hours on low and then recharges via USB-CCoast Rechargeable Plus system allows the flashlight to run on its Zithion-X™ ZX1000 lithium battery or on three AAA alkaline batteries (purchased separately) for added convenienceBuilt to IP54 specifications for water-resistance and dust-resistance and is backed by the Coast lifetime warrantyCoast Zithion™ non-ported rechargeable batteries are built to charge from within your Coast light using a Coast charging systemCheck the status of your batteries charge level with a built-in charge level indicatorCharge directly from AC, DC, and USBCoast Beam Lock® technology makes the Slide Focus® system even more valuable, with the option to lock the beam in place on spot, flood, or anywhere in betweenSlide Focus® system enables you to seamlessly transition between spot and flood beam with the push or pull your finger