High lumen tactical light that is USB rechargeable, so you can charge on-the-go using almost any USB source. It also accepts multiple battery sources to use as a back up so you'll always have power when you need it. It also comes with the 120v AC/12V adapter. With TEN-TAP Programming, you can reprogram the light with just a few quick taps of the switch to fit your needs. C4 LED technology impervious to shock with a 50,000 hour lifetime. This light can boast 850 lumens for 1.5 hours or 85 lumens for 12 hours. It includes a removable pocket clip, nylon holster, serialized and all cords for charging.