The Fenix TK16 V2.0 Tactical Flashlight is capable of producing 3100 lumens and 36,100 candela with the single included 21700 battery, which is USB Type-C rechargeable. A new addition to this model is a pulse-frequency transmission system for increased anti-interference performance. The TK16 V2.0 versatile features include a dual tail switch for quick toggle and an instant strobe mode. With its compact size and impressive light power, we recommend the TK16 V2.0 for any tactical need.