The Fenix TK22 flashlight boasts 1600 lumens. The rear switch allows for instant power activation while the side switch can be used to go through the four different output modes/settings and activate the strobe option. The head of this flashlight has 3 breaking tips on its strike bezel which is made from tungsten steel with a hardness rating of HRA90. Features ultra-clear glass lens with anti-reflective coating and is digitally regulated with over heat protection. The TK22UE comes equipped with a rechargeable 21700 battery with a USB Type-C charging port, or you can use the ALF-18 Battery holder for your 18650 batteries. Includes ALF-18 Battery Holder (18650 Adapter), 21700 Battery with USB Type-C charging port, adjustable holster, USB Type-C charging cable, lanyard and spare O-ring.