ThruNite ThruNite TN11S series Tactical LED Flashlight Black/Powered by 18650 or CR123A battery 1) TN11S v2 is updated from TN11S CREE XM-L with new designed circuit, new tail cap and side button design create TN11s v2 has more improvement in its performance and durable usage.. 2) Tactical feel - one key to momentary-on with "forward clicky" tactical tail switch & one key to strobe with side button; 25.4mm (1- inch) light body for mounting on any proper devices; 3 variable intensity & strobe mode; Stainless-steel bezel 3) Built to Last - Designed for durability anodized; aluminum construction with an impact-resistant tempered glass lens that is O-ring sealed; and durable resistance and waterproof materials for use in extreme conditions; unbreakable pocket clip and an anti-roll head 4) TN11S v2 powered by 1 x 18650; 2 x 18650; 2 x CR123; 3 x CR123. Market applications include, but are not limited to, law enforcement, security, emergency medical services, sporting goods, hardware/tool and personal use 5) package included: TN11S V2 neutral white flashlight *1pcs,MCC-2 charger *1pcs,3400mah 18650 battery*2pcs