NcStar - VISM Tactical LED Flashlight w/ Rail Mount - Black is an ultra-bright Rail-Mounted, and hand-held, LED Torch, with multiple functions and uses. The torch is constructed from Black Anodized Aluminium Body, and features a 4 Watt Bright CREE LED, with a maximum output of 250 Lumens. The torch comes pre-fitted with a removable Mount allowing it to be attached to 20mm RIS / RAS / Weaver / Picatinny / MIL-STD 1913 rails. The torch supports three functions via a Bezel Mounted Mode Selector Ring: High Intensity, Low Intensity and Strobe, allowing you to disorientate your target and extend battery life. The body features a removable two way steel pocket clip, allowing it to be clipped to rigs and pockets in either orientation. The bottom of the torch features a push button Rubber on / off switch and a hole for which lanyard can be attached. The central body diameter of the torch is 2.1cm, allowing the use of Scope Mounts and Torch mounts for attaching the torch to weapons. The torch requires two CR123A Lithium Type Batteries which are not included in the package. This is the perfect torch for those who want a torch which covers all bases, allowing for it to be attached to pockets and rigs, but in the future be attached to rifles and other weapons.