SecurityIng&reg; Zoomable 5 Switch Modes 1000LM T6 LED Flashlight Mini Torch Focus Adjustable Lighting Lamp for Camping, Hiking, Outdoor & Indoor Activities (18650 Battery Not Included) Controlled by constant-current & memory function circuits & tail switch for ON / OFF. Comes with 1X Cree XM-L T6 LED chip, its brightness can be up to 1000 LM and 100,000 hours lifespan. Adopting the optical PMMA material lenses, strong light transmission function, well-distributed. With stainless steel housing, made of aviation aluminum alloy.Suitable for various activities. Power Source:1 x 18650 Rechargeable Battery (Not Included).With zoom in / out function.