SureFire's E2D Defender Ultra was designed to be carried everyday and used for a multitude of applications. This brilliantly simple, highly versatile flashlight can produce a powerful beam of 1000 lumens with an illumination distance of up to 200 meters. Alternatively, the Defender Ultra can be set to a far gentler 5 lumen output, which can increase the runtime up to 63 hours. Its Mil-Spec hard anodized aluminum body, combined with a scalloped tail-cap and crenellated Strike Bezel can turn this high-powered flashlight into a formidable hand weapon in the event of an emergency situation. Features of the E2D Defender Ultra: Crenellated Strike Bezel and scalloped tail-cap1000 lumen power output (high)200 meter illumination distance5 lumen output (low)High output runtime: 2.75 hoursLow output runtime: 63 hours(2) 123A batteries included SureFire E2D Defender Ultra 1000/5 LU Tactical LED Black Flashlight E2DLU-A