Ultra-bright one-watt luxeon flashlight with adjustable beam is up to 30 times brighter than standard LED. DC/DC regulated circuitry provides maximum light output throughout the life of the battery. Adjustable beam. Twist end cap to turn on/off, plus push-button momentary on/off feature. Water-resistant, aircraft-grade aluminum construction. Includes clip and lanyard. Uses two AA alkaline batteries (incl.) Manufacturer's limited lifetime warranty.