WindFire New Wf-501b Cree Xm-l T6 LED 1000 Lumens 1 Mode Tactical Flashlight Torch with Pressure Tail Switch for Hunting, Camping (Batteries not included) WindFire CREE XML T6 LED 1000 Lumen 1 mode Wf 501B Tactical flashlight Torch Aluminum alloy casing with o-rings for waterproof and shockproof design. Coming with Pressure switch/ mouse tail for this 501B flashlight Powr Source: work with 1 x 18650 Battery, 1 switch mode, Easy to operate, One-Button-Operation Perfect for outdoor activities like hiking, camping, hunting, cycling and so on.