The XEVO 500 features 500 lumens of brilliant light powered with a Hi-Power Luxeon LED light and is powered by six Energizer "AA" batteries for a burn time of approximately 105 minutes. It features an ergonomically designed rubberized grip with a trigger pulse switch an Always 'ON' lock switch and a detachable red lens. is included with the light for transition of getting in and out of the woods without disturbance of wildlife. The integrated Power Meter lets you know when batteries need to be replaced so you are not caught in the dark. For further information visit www.gsmoutdoors.com.