The Fenix TK16 V2.0 flashlight delivers functionality and performance with its dual tail switch design making this the perfect light for emergency and tactical applications. Featuring a Luminus SST70 LED and included ARB-L21-5000U battery this tactical light emits a maximum output up to 3100 lumens and throws a beam up to 380 meters. With Fenix’s unique APF (Advanced Pulse-frequency Transmission System) this innovation makes for a more compact structure and reliable tactical ability in this lighting platform. The TK16 V2.0 has a dual tactical tail switch for instant activation and strobe: easy one-hand use for tactical situations. Featuring a compact body with stainless steel strike bezel the TK16 V2.0 is a perfect design for law enforcement, security and defense applications. Battery: ARB-L21 21700 5000U Max Lumens: 3100