Powerful beam is controlled from 1X to 4X spot.. Spot light is controlled with twist of knurled head.. Housing incorporates indents and flats for secure handling.. Aluminum housing with Type II anodized finish.. Tactical-styled tail cap protects momentary/on/off switch.. Lanyard included.. 2 CR123A Duracell batteries included.. Lumen Output: 210. LED type: Luxeon Rebel 90.. Dimensions 1" x 4.5". Weight with batteries: 3 oz..