The Dorcy Pro Series 2AA 500 Lumen PWM Flashlight is an amazing new light which features 500 lumens of power and 3.5 hours of run time on high. On low, the light has 150 lumens of power and 15.5 hours of run time. Constructed of machined aircraft aluminum with knurled non-slip barrel grip, this light is incredibly durable and has the look, feel, and finish of a much more expensive light. Precision action slide focus technology allows the light to be adjusted from a powerful spot beam, all the way to a tight target beam, allowing the user to choose the right beam of light for any situation. Other features include patented PWM circuitry, flash mode, durable metal carry clip, and weather resistant design. (41-4311)