Klarus XT11-S 1100 Lumens USB Rechargeable Tactical Flashlight with CREE XP-L HI V3 LED Upgraded 4th generation ultra-compact, lightweight, and super bright tactical flashlight, the XT11S uses a CREE XP-L HI V3 LED delivering a max output of 1100 lumens! With a dual tactical tail switch, the XT11S was made with easy to use one handed operation in mind. The XT11S has versatile functions including Straight 2 Strobe, Instant Turbo, Instant Low-light, Memorized Function ability, SOs, Side Switch Lock Function, Battery Capacity Indicator, USB Rechargeable, ITS Smart Temperature Control System, and Easy Mode Change The XT11S has three operating modes: Conventional Tactical Mode, Hunting Mode (Instant high- or low-light and tactical tail switch without strobe mode), and Ultimate Tactical Mode (In this mode, the flashlight will only operate in Turbo and Strobe mode and the side switch is inactivated for use in extreme tactical situations). Unlike its predecessor, the new XT11S has a Direct Recharging Function allowing the user to plug a standard Micro USB cable directly into the port located on the side of the flashlight. It also has a useful battery capacity indicator display that enables the user to control the usage according to the remaining charge. The XT11S comes with a USB charging cable, a lanyard, a spare O-ring, a rechargeable 18650 battery, a holster, and a pocket clip