Bundle: Fenix TK16 LED Flashlight 1000 Lumen TK15 upgrade Dual Tactical Tail Switch with two CR123A Batteries Super bright 1000 Lumens maximum output, far-reaching distance of up to 787 feet new Dual Tactical Switch for one-finger operation, instant access to strobe, momentary-on function Dual Spring Design for better impact resistance and more suitable for flat-head batteries Reliable Dual-layer Body,Made of durable aircraft-grade aluminum This bundle includes TK16 pack and Two LegionArms CR123 Lithium batteries